#hydroelectric — Public Fediverse posts

Once numbering over 100K, the most regal #bird 👑🐦 in #Tanzania #Congo #SouthAfrica and #Namibia hangs on for survival against Big #PalmOil 🌴 Big #Tobacco 🚬 and #Hydroelectric dams 🚜 Help them survive! #BoycottPalmOil #Boycott4Wildlife @palmoildetectives https://wp.me/pcFhgU-b7K?utm_source=mastodon&utm_medium=Palm+Oil+Detectives&utm_campaign=publer

Once numbering over 100K, the most regal #bird 👑🐦 in #Tanzania #Congo #SouthAfrica and #Namibia hangs on for survival against Big #PalmOil 🌴 Big #Tobacco 🚬 and #Hydroelectric dams 🚜 Help them survive! #BoycottPalmOil #Boycott4Wildlife @palmoildetectives https://wp.me/pcFhgU-b7K?utm_source=mastodon&utm_medium=Palm+Oil+Detectives&utm_campaign=publer

Once numbering over 100K, the most regal #bird 👑🐦 in #Tanzania #Congo #SouthAfrica and #Namibia hangs on for survival against Big #PalmOil 🌴 Big #Tobacco 🚬 and #Hydroelectric dams 🚜 Help them survive! #BoycottPalmOil #Boycott4Wildlife @palmoildetectives https://wp.me/pcFhgU-b7K?utm_source=mastodon&utm_medium=Palm+Oil+Detectives&utm_campaign=publer

Once numbering over 100K, the most regal #bird 👑🐦 in #Tanzania #Congo #SouthAfrica and #Namibia hangs on for survival against Big #PalmOil 🌴 Big #Tobacco 🚬 and #Hydroelectric dams 🚜 Help them survive! #BoycottPalmOil #Boycott4Wildlife @palmoildetectives https://wp.me/pcFhgU-b7K?utm_source=mastodon&utm_medium=Palm+Oil+Detectives&utm_campaign=publer

creates semantic nodes and clusters 2022 #WEST #LOTHIAN #COUNCIL #ELECTION multi-search-tag-explorer.aepiot.ro/advanced-sea... #KIEWA #HYDROELECTRIC #SCHEME aepiot.com/advanced-sea... AÉPIOT: INDEPENDENT SEMANTIC WEB 4.0 INFRASTRUCTURE (EST. 2009): allgraph.ro

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creates semantic nodes and clusters 2022 #WEST #LOTHIAN #COUNCIL #ELECTION multi-search-tag-explorer.aepiot.ro/advanced-sea... #KIEWA #HYDROELECTRIC #SCHEME aepiot.com/advanced-sea... AÉPIOT: INDEPENDENT SEMANTIC WEB 4.0 INFRASTRUCTURE (EST. 2009): allgraph.ro

MultiSearch Tag Explorer

#JIJI #HYDROELECTRIC #POWER #STATION headlines-world.com/advanced-sea... #MEINHOF multi-search-tag-explorer.headlines-world.com/advanced-sea... opentip.kaspersky.com/headlines-wo... aePiot: Rewiring the present for Web 4.0. Establish semantic nodes and rule SEO.

MultiSearch Tag Explorer

#JIJI #HYDROELECTRIC #POWER #STATION headlines-world.com/advanced-sea... #MEINHOF multi-search-tag-explorer.headlines-world.com/advanced-sea... opentip.kaspersky.com/headlines-wo... aePiot: Rewiring the present for Web 4.0. Establish semantic nodes and rule SEO.

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Sarawak provides 25% discount on electricity bills from April to December 2026 #hydroelectric #hydropower #news #sarawak #sarawakenergy #sarawakenergyberhad

https://soyacincau.com/2026/04/17/sarawak-provides-25-discount-on-electricity-bills-from-april-to-december-2026/

Sarawak provides 25% discount on electricity bills from April to December 2026 #hydroelectric #hydropower #news #sarawak #sarawakenergy #sarawakenergyberhad

https://soyacincau.com/2026/04/17/sarawak-provides-25-discount-on-electricity-bills-from-april-to-december-2026/

Sarawak provides 25% discount on electricity bills from April to December 2026 #hydroelectric #hydropower #news #sarawak #sarawakenergy #sarawakenergyberhad

https://soyacincau.com/2026/04/17/sarawak-provides-25-discount-on-electricity-bills-from-april-to-december-2026/

Sarawak provides 25% discount on electricity bills from April to December 2026 #hydroelectric #hydropower #news #sarawak #sarawakenergy #sarawakenergyberhad

https://soyacincau.com/2026/04/17/sarawak-provides-25-discount-on-electricity-bills-from-april-to-december-2026/

Donkarayi Power House Undergoes Major Work After 13 Years

The Donkarayi canal power house is having a major overhaul, the second since 2012. Find out what this means for power generation.

#DonkarayiPower, #Hydroelectric, #PowerGeneration, #APGENCO, #Infrastructure

https://newsletter.tf/donkarayi-power-house-major-work-after-13-years/

The Donkarayi power house is undergoing its second major refit since 1983. This work is expected to improve its 25-megawatt capacity.

#DonkarayiPower, #Hydroelectric, #PowerGeneration, #APGENCO, #Infrastructure
https://newsletter.tf/donkarayi-power-house-major-work-after-13-years/

With an average flow at the mouth of 7,500 m3/s, the Columbia is the largest river by discharge flowing into the Pacific from the Americas and 4th largest by volume in the USA. The river has been extensively developed and altered. Locks have been built along the lower Columbia, and dredging has opened, maintained, and enlarged shipping channels. The 14 #Hydroelectric dams on the Columbia and many more on its tributaries produce more than 44% of total U.S. hydroelectric power.

The Peace River valley is also the battleground for the Site C Dam, a proposed BC Government #Hydroelectric project that would submerge 125 km2 of Class 1 to 7 agricultural land, along with 100 km2 of forested land. Farmers and Indigenous people have been fighting against the project for decades.

#Environment #Preservation
https://nationaltrustcanada.ca/nt-endangered-places/peace-river-valley

From #Ethiopia To #Nepal - The #EV #Boom You Didn’t See Coming
--
https://insideevs.com/news/768768/ethiopia-nepal-surprising-ev-boom/
--
How rich a country is doesn’t necessarily dictate its citizens’ desire and willingness to switch to #electric power.
--
“[T]aking the 'extraordinary step' in 2024 of banning imports of all gas-powered passenger vehicles - becoming the 1st nation in the world to do so.
"Crazy" would maybe be the more fitting term if a government in 2024 would #ban #ICE car imports...
"Ethiopia is leaning hard into #EVs in part because importing #fuel is expensive, and 96% of the country’s #electricity comes from clean #hydropower - a dual win for the country’s #finances & #environment."
--
#honourablemention
"... In Nepal, ¾ of new #passenger #vehicles - and almost ½ of #commercial vehicles - are electric... plug-in hybrids.
Why?
Importing #oil from India became tricky after #India imposed a #blockade in 2015, the #Nepalese government was forced to shift its focus to expanding the country’s #hydroelectric #generation capability..."

From #Ethiopia To #Nepal - The #EV #Boom You Didn’t See Coming
--
https://insideevs.com/news/768768/ethiopia-nepal-surprising-ev-boom/
--
How rich a country is doesn’t necessarily dictate its citizens’ desire and willingness to switch to #electric power.
--
“[T]aking the 'extraordinary step' in 2024 of banning imports of all gas-powered passenger vehicles - becoming the 1st nation in the world to do so.
"Crazy" would maybe be the more fitting term if a government in 2024 would #ban #ICE car imports...
"Ethiopia is leaning hard into #EVs in part because importing #fuel is expensive, and 96% of the country’s #electricity comes from clean #hydropower - a dual win for the country’s #finances & #environment."
--
#honourablemention
"... In Nepal, ¾ of new #passenger #vehicles - and almost ½ of #commercial vehicles - are electric... plug-in hybrids.
Why?
Importing #oil from India became tricky after #India imposed a #blockade in 2015, the #Nepalese government was forced to shift its focus to expanding the country’s #hydroelectric #generation capability..."

From #Ethiopia To #Nepal - The #EV #Boom You Didn’t See Coming
--
https://insideevs.com/news/768768/ethiopia-nepal-surprising-ev-boom/
--
How rich a country is doesn’t necessarily dictate its citizens’ desire and willingness to switch to #electric power.
--
“[T]aking the 'extraordinary step' in 2024 of banning imports of all gas-powered passenger vehicles - becoming the 1st nation in the world to do so.
"Crazy" would maybe be the more fitting term if a government in 2024 would #ban #ICE car imports...
"Ethiopia is leaning hard into #EVs in part because importing #fuel is expensive, and 96% of the country’s #electricity comes from clean #hydropower - a dual win for the country’s #finances & #environment."
--
#honourablemention
"... In Nepal, ¾ of new #passenger #vehicles - and almost ½ of #commercial vehicles - are electric... plug-in hybrids.
Why?
Importing #oil from India became tricky after #India imposed a #blockade in 2015, the #Nepalese government was forced to shift its focus to expanding the country’s #hydroelectric #generation capability..."

From #Ethiopia To #Nepal - The #EV #Boom You Didn’t See Coming
--
https://insideevs.com/news/768768/ethiopia-nepal-surprising-ev-boom/
--
How rich a country is doesn’t necessarily dictate its citizens’ desire and willingness to switch to #electric power.
--
“[T]aking the 'extraordinary step' in 2024 of banning imports of all gas-powered passenger vehicles - becoming the 1st nation in the world to do so.
"Crazy" would maybe be the more fitting term if a government in 2024 would #ban #ICE car imports...
"Ethiopia is leaning hard into #EVs in part because importing #fuel is expensive, and 96% of the country’s #electricity comes from clean #hydropower - a dual win for the country’s #finances & #environment."
--
#honourablemention
"... In Nepal, ¾ of new #passenger #vehicles - and almost ½ of #commercial vehicles - are electric... plug-in hybrids.
Why?
Importing #oil from India became tricky after #India imposed a #blockade in 2015, the #Nepalese government was forced to shift its focus to expanding the country’s #hydroelectric #generation capability..."

From #Ethiopia To #Nepal - The #EV #Boom You Didn’t See Coming
--
https://insideevs.com/news/768768/ethiopia-nepal-surprising-ev-boom/
--
How rich a country is doesn’t necessarily dictate its citizens’ desire and willingness to switch to #electric power.
--
“[T]aking the 'extraordinary step' in 2024 of banning imports of all gas-powered passenger vehicles - becoming the 1st nation in the world to do so.
"Crazy" would maybe be the more fitting term if a government in 2024 would #ban #ICE car imports...
"Ethiopia is leaning hard into #EVs in part because importing #fuel is expensive, and 96% of the country’s #electricity comes from clean #hydropower - a dual win for the country’s #finances & #environment."
--
#honourablemention
"... In Nepal, ¾ of new #passenger #vehicles - and almost ½ of #commercial vehicles - are electric... plug-in hybrids.
Why?
Importing #oil from India became tricky after #India imposed a #blockade in 2015, the #Nepalese government was forced to shift its focus to expanding the country’s #hydroelectric #generation capability..."

Hydroelectric Dams Take a Toll on Jaguars, Tigers and Lions

As reigning apex #predators of a variety of ecosystems, #bigcats like tigers, jaguars and lions are vital for ecosystem health. Yet forest loss for hydroelectric dam building is a real threat to these majestic big cats. Aside from depriving wildlife of a home, forest loss also contributes to #climatechange. It’s ironic then that hydroelectricity, which is being developed worldwide (especially in South American and Asian countries) as an alternative energy source to fossil fuels, is a big cause of deforestation. Alternative energy is important however shouldn’t come at the cost of species under threat. Better protections are urgently needed. #Boycott4Wildlife

Often lauded as a saviour for the #environment and #climate, hydroelectric dams threaten #bigcats: #jaguars and #tigers 🐯🐅 Better protection of forests is needed to ensure endangered big #cats are protected #Boycott4Wildlife @palmoildetect.bsky.social https://wp.me/pcFhgU-9cr

Written by Tara Pirie, Postdoctoral Researcher, People and Wildlife Research Group, University of Reading. This article is republished from The Conversation under a Creative Commons license. Read the original article.

Big cats are among the most widespread top predators on Earth. Lions stalk zebra in the African savanna, tigers ambush antelope in the forests of Asia and jaguars hunt deer in the jungles of South America. They play an important role in ecosystems by regulating the numbers of these herbivores, in turn, reducing the deterioration of vegetated habitats and maintaining species diversity.

Tigers, lions and jaguars must cover large areas to find food, so they need a lot of energy. As with many large carnivores, big cats are under threat from habitat loss, which leaves them with less to eat. Their spread-out populations and slow reproductive rates make them particularly vulnerable. While the habitats in which big cats live range from boreal forests at high latitudes to tropical rainforests at the equator, the causes of habitat loss are largely the same: logging for wood and fuel, plantations, farming and urbanisation.

https://youtu.be/7VVv9oAtbVI

Aside from depriving wildlife of a home, forest loss also contributes to climate change. It’s ironic then that hydroelectricity, which is being developed worldwide (especially in South American and Asian countries) as an alternative energy source to fossil fuels, is a big cause of deforestation.

Building hydroelectric dams has caused extinctions and spread diseases in rivers globally, but the threat to ecosystems on land has largely been overlooked. In a recent study, researchers from China and Portugal investigated how existing and planned hydroelectric dams might affect two carnivores: the near-threatened jaguar (with an estimated global population of 173,000) and the endangered tiger (thought to number between 3,200 and 3,500 worldwide).

Jaguar Panthera onca

Jaguars, currently deemed Near Threatened, face a substantial habitat reduction of up to 25% in just over two decades. This decline stems from rampant deforestation for palm oil, soy,…

Tiger Panthera tigris

Fewer than 400 tigers remain in Sumatra due to deforestation for palm oil. Help save this endangered species. #Boycottpalmoil #Boycott4Wildlife

Leopard Panthera pardus

Of all the great cats prowling the wild, few inspire as much awe and fascination as the leopard Panthera pardus. Sleek, powerful, and enigmatic, leopards are found across a staggering…

The distribution of jaguars and tigers has shrunk 50% and 93% respectively, but the researchers found that hydroelectric plants pose a substantial risk of further declines. They found 164 dams that already intersect the jaguar range and 421 dams that do the same for tigers. This equates to one in five tigers that are likely to be affected by dams, compared with one in 200 jaguars. Since tiger numbers are already so low, this could have a considerable influence on the population’s capacity to recover and may even result in local extinctions.

Damning developments for big cats

Large expanses of land are flooded to create reservoirs when building hydroelectric plants in low-lying, relatively flat areas. Although tigers and jaguars can and do swim, they mainly hunt species such as deer that live on land. Sites chosen for dams typically incorporate floodplains and areas along rivers that are important for both species, since they tend to contain lots of prey.

The flooded area will force both predators and prey into surrounding areas. If the vegetation here can support the influx of herbivores, tigers and jaguars will probably persist. But if it cannot, the predators may be forced further afield in search of food, potentially drawing them into conflict with people who may kill them.

Relatively pristine habitats are under threat. The number of hydroelectric dams is set to quadruple across the jaguar’s range with a further 429 planned, while 41 are expected where tigers roam. Aside from the direct loss of habitat, these new constructions can increase the presence of people in remote areas. Roads built to access new dam sites consequently open up areas that were previously impenetrable. Roads can be a barrier to some species and kill those that try to cross. Roads can also encourage new towns and villages, which divide the habitat further.

Mitigating the damage

Where dams exist, the researchers suggest habitat loss could be limited by incorporating the surroundings into a protected area with suitable enforcement. Any new dams, though, especially in conservation areas or areas where top predators prowl, should be avoided. Sadly, most of the dams planned in Asia overlap with significant portions of the tiger’s range.

One way to mitigate the damage from building new hydroelectric plants may be to do it on slopes outside of areas that are crucial for conserving tigers and jaguars. The amount of flooded area needed to produce electricity from these plants when they’re on a slope is smaller compared to those built on lower ground, reducing the overall damage to the surrounding habitat. But impact assessments would need to confirm the plant wasn’t simply creating new issues elsewhere.

Alternative sources of energy are important for a sustainable future, but their benefits should not come at a substantial cost to species already under threat.

Written by Tara Pirie, Postdoctoral Researcher, People and Wildlife Research Group, University of Reading. This article is republished from The Conversation under a Creative Commons license. Read the original article.

ENDS

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Two stunning marsupials thought extinct for 6000 years rediscovered in West Papua. Calls for rainforest protection even more urgent!

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This #WorldWildlifeDay take action for animals great and small! Reptiles insects, mammals and birds deserve better than palm oil ecocide and extinction. Make sure you Boycott palm oil

Beautiful and Doomed: Saving Bangladesh’s Langurs From Extinction

Critically endangered Phayre’s langurs and endangered capped langurs of Bangladesh, are interbreeding raising concerns about their survival, take action!

Parrot Deaths Highlight Urgent Need to Reform CITES

The legal trade is largely to blame for African grey parrots becoming endangered. Regulator CITES is broken allowing exploitation, massive reform needed now!

Jaguars and Pumas Eat More Monkeys in Damaged Forests

In fragmented forests of Mexico, big cats find it hard to locate prey ungulates instead seeking tree-dwelling #monkeys – that’s bad news for primates!

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The World’s Most Loved Cup: A Social, Ethical & Environmental History of Coffee by Aviary Doert

How do we stop the world’s ecosystems from going into a death spiral? A #SteadyState Economy

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#mwgic #Dam #LakePowell #Drought #Hydroelectric

Experts anticipate major US #reservoir could reach #critical level by end of #2026: 'Efforts have been productive' https://share.google/uDQ0VWG5LtwNEmHty

Oregon, other states target data centers' energy costs - oregonlive.com https://www.oregonlive.com/nation/2026/02/other-states-follow-oregons-lead-in-targeting-data-centers-energy-costs.html

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Sunda Flying Lemur Galeopterus variegatus

Sunda Flying Lemur Galeopterus variegatus

Locations: Thailand, Cambodia, Vietnam, Laos, Myanmar, Peninsular Malaysia, Singapore, Brunei, Indonesia (Java, Sumatra, Kalimantan, Bali), and Borneo

The Sunda flying lemur, also known as the Malayan flying lemur or Malayan #colugo, silently glides through the tropical forests of Southeast Asia, relying on ancient forests to survive. Despite their name, they are not true lemurs, nor do they fly—they are gliders, and among the most skilful in the world. This species is experiencing population declines in several parts of their range. They are threatened by #deforestation from #timber, #palmoil plantations, and #hunting by local communities. Forest loss, particularly in #Java, #Vietnam, and #Thailand, is fragmenting their populations and endangering their survival. Use your wallet as a weapon every time you shop and protect these sensitive creatures #BoycottPalmOil #Boycott4Wildlife

https://youtu.be/NUukaAK4YSI

The elegant #Sunda flying #lemur AKA #Colugo can glide 100m through trees 🪽🕊️ in #Sumatra #Kalimantan and #Borneo. Totally reliant on trees, #palmoil is a major threat to them 😿 Fight back and🌴🩸🔥☠️🧐🚫 #Boycottpalmoil #Boycott4Wildlife @palmoildetect https://palmoildetectives.com/2026/02/08/sunda-flying-lemur-galeopterus-variegatus/

Hauntingly beautiful gliding #mammal, the Malayan #Colugo/ Sunda Flying #Lemur uses a cape-like skin membrane to slide 100’s of metres through the #rainforests of SE #Asia. Fight for them and #Boycottpalmoil 🌴🙊🤮🚜🔥❌ #Boycott4Wildlife @palmoildetect https://palmoildetectives.com/2026/02/08/sunda-flying-lemur-galeopterus-variegatus/

Appearance & Behaviour

Sunda flying lemurs are hauntingly beautiful gliding mammals, with their large, forward-facing eyes adapted for night vision and a delicate, kite-shaped membrane of skin called a patagium stretching from their neck to their fingertips, tail, and toes. This structure allows them to glide over 100 metres through the forest canopy, losing as little as 10 metres in elevation. On the ground, they are nearly helpless, but in the trees, they move with astonishing agility. These quiet, nocturnal mammals spend their days curled up in tree hollows or nestled in the dense fronds of coconut trees, becoming active at dusk when they begin foraging.

Threats

Palm oil deforestation

The widespread clearing of tropical rainforest to establish palm oil plantations is one of the greatest threats to the Sunda flying lemur. These gliders rely heavily on continuous tree canopy for movement, foraging, and breeding. When forests are fragmented or entirely removed for palm oil, flying lemurs become stranded, exposed to predators, and unable to access food or shelter. This process has caused severe habitat degradation across Peninsular Malaysia, Sumatra, and Borneo.

Human persecution and hunting

In Java and some other regions, Sunda flying lemurs are hunted by local communities, including the Baduy Tribe, who increase hunting activity every four years as part of cultural practices. Though the species yields little meat, they are still killed for consumption or perceived nuisance. Hunting disrupts already fragile populations, particularly in areas where habitat loss has already reduced numbers and isolated groups.

Logging and forest fragmentation for timber

Commercial and illegal logging contribute to the rapid degradation of forests across Southeast Asia. Even selective logging can cause fragmentation, which limits the flying lemur’s ability to glide and forces them to descend to the ground—where they are highly vulnerable to predators and human threats. Logging roads also increase human access to remote forests, further accelerating hunting and forest conversion.

Competition with invasive species

In degraded habitats and plantations, Sunda flying lemurs face increased competition for food and nesting sites from invasive and generalist species such as the Plantain Squirrel (Callosciurus notatus). These squirrels are more adaptable and can dominate food sources, leaving less for the more specialised colugo. Competition like this puts additional stress on the already fragile populations of flying lemurs, especially in fragmented or edge habitats.

Urban expansion and infrastructure development

Rapid urbanisation across Southeast Asia has resulted in the encroachment of cities and towns into previously forested areas. Roads, buildings, hydroelectric dams and agricultural expansion sever vital canopy corridors and isolate populations, making gliding impossible in many urban landscapes. As a result, Sunda flying lemurs are forced to navigate unsuitable environments, increasing their risk of vehicle collisions, electrocution from power lines, and conflict with humans.

Weak protections and lack of enforcement

Although the Sunda flying lemur is legally protected in several countries, enforcement is often weak or inconsistent. In areas like Sarawak and Java, data on current populations is outdated or incomplete, making it difficult to assess trends or plan effective conservation strategies. Without strong protections and ongoing monitoring, habitat loss and hunting will continue to drive the species toward future vulnerability or extinction.

Geographic Range

Sunda flying lemurs are found across Southeast Asia, including Thailand, Cambodia, Vietnam, Laos, southern Myanmar, Peninsular Malaysia, Singapore, Brunei, and Indonesia (Java, Bali, Sumatra, Kalimantan, and Borneo). They are patchily distributed, with population declines noted in Java and possibly Sarawak. They occur in both primary and secondary forests, and are sometimes seen in plantations and gardens—but dense forest canopy is critical for their survival. Populations in disturbed habitats are less viable due to limited gliding space and reduced food availability.

Diet

The Sunda flying lemur feeds primarily on young leaves, buds, shoots, flowers, and fruits of a wide variety of forest trees. In Bako National Park, Sarawak, they have been observed feeding on over 12 tree species, with Buchanania arborescens making up over 50% of their diet. They also consume tree sap and have even been seen licking bark for water and minerals. Interestingly, they have been recorded feeding on ants (Paratrechina longicornis) in rare cases, highlighting their adaptability in changing environments.

Mating and Reproduction

After a gestation period of about 60 days, females give birth to a single young, which clings to the mother’s belly and is cradled within the folds of the patagium. The mother’s gliding membrane acts like a living pouch, offering warmth and protection as she climbs and glides through the treetops. Not much else is known about their mating systems or breeding intervals, but juveniles stay with their mothers until they are old enough to glide on their own.

FAQs

How many Sunda flying lemurs are left in the wild?

Exact population numbers are unknown, but the species is believed to be in slow decline. Localised extinctions are suspected in parts of Java and mainland Southeast Asia due to hunting and habitat fragmentation. While still widespread, their dependence on intact forests makes them vulnerable to ongoing deforestation (Boeadi & Steinmetz, 2008).

How long do Sunda flying lemurs live?

In the wild, their lifespan is estimated to be around 10–15 years, though this can vary depending on threats and environmental conditions. Data from wild populations are limited due to their elusive, nocturnal habits (Wikipedia, n.d.).

Why are they threatened by palm oil?

Palm oil plantations destroy the lowland tropical forests that flying lemurs depend on. Unlike other adaptable mammals, colugos require dense canopy cover for safe gliding, resting, and breeding. When forests are cleared, these gliders lose their ability to navigate safely, exposing them to predators and starvation. The conversion of rainforest into monoculture plantations has led to significant declines in habitat quality across their range (Lim et al., 2013; Nasir & Abdullah, 2009).

Do Sunda flying lemurs make good pets?

Absolutely not. Sunda flying lemurs are wild animals with specialised needs. They are not domesticated, and keeping them as pets leads to extreme stress, injury, or death. Capturing these animals for trade disrupts family groups and contributes to their extinction. If you care about flying lemurs, advocate against the exotic pet trade and never support it.

What conservation efforts are underway?

National laws protect the Sunda flying lemur in many range countries, and studies have been conducted in places like Bako National Park and Singapore. However, much stronger protection is needed, particularly in habitat protection and indigenous-led conservation. Conservationists recommend protecting forest patches, especially those with >95% canopy cover, to ensure their survival (Lim et al., 2013).

Take Action!

Protect the Sunda flying lemur by choosing only products that are 100% palm oil-free. Avoiding palm oil directly combats deforestation and preserves vital canopy corridors these animals depend on. Support indigenous-led agroecology and forest protection movements. Never support the exotic pet trade or keep wild animals in captivity. Every purchase you make has the power to either destroy or safeguard their rainforest homes. #BoycottPalmOil #Boycott4Wildlife

Support Sunda Flying Lemurs by going vegan and boycotting palm oil in the supermarket, it’s the #Boycott4Wildlife

Support the conservation of this species

This animal has no protections in place. Read about other forgotten species here. Create art to support this forgotten animal or raise awareness about them by sharing this post and using the #Boycottpalmoil #Boycott4Wildlife hashtags on social media. Also you can boycott palm oil in the supermarket.

Further Information

Boeadi & Steinmetz, R. 2008. Galeopterus variegatus. The IUCN Red List of Threatened Species 2008: e.T41502A10479343. https://dx.doi.org/10.2305/IUCN.UK.2008.RLTS.T41502A10479343.en. Accessed on 06 April 2025.

Lim, N. T-L., Giam, X., Byrnes, G., & Clements, G. R. (2013). Occurrence of the Sunda colugo (Galeopterus variegatus) in the tropical forests of Singapore: A Bayesian approach. Mammalian Biology, 78(1), 63–67. https://doi.org/10.1016/j.mambio.2012.06.008

Nasir, D., & Abdullah, M. T. (2009). Foraging ecology of the Sunda colugo (Galeopterus variegatus) in Bako National Park, Sarawak, Malaysia. Malayan Nature Journal, 61(4), 285–294. https://www.researchgate.net/publication/290610443_Foraging_ecology_of_the_sunda_colugo_galeopterus_variegatus_in_bako_national_park_sarawak_malaysia

Wikipedia. (n.d.). Sunda flying lemur. Retrieved April 6, 2025, from https://en.wikipedia.org/wiki/Sunda_flying_lemur

How can I help the #Boycott4Wildlife?

Take Action in Five Ways

1. Join the #Boycott4Wildlife on social media and subscribe to stay in the loop: Share posts from this website to your own network on Twitter, Mastadon, Instagram, Facebook and Youtube using the hashtags #Boycottpalmoil #Boycott4Wildlife.

• Twitter
• Facebook
• Instagram
• WordPress
• YouTube
• Mail
• Mastodon

Enter your email address

Sign Up

2. Contribute stories: Academics, conservationists, scientists, indigenous rights advocates and animal rights advocates working to expose the corruption of the palm oil industry or to save animals can contribute stories to the website.

Wildlife Artist Juanchi Pérez

Mel Lumby: Dedicated Devotee to Borneo’s Living Beings

Anthropologist and Author Dr Sophie Chao

Health Physician Dr Evan Allen

The World’s Most Loved Cup: A Social, Ethical & Environmental History of Coffee by Aviary Doert

How do we stop the world’s ecosystems from going into a death spiral? A #SteadyState Economy

3. Supermarket sleuthing: Next time you’re in the supermarket, take photos of products containing palm oil. Share these to social media along with the hashtags to call out the greenwashing and ecocide of the brands who use palm oil. You can also take photos of palm oil free products and congratulate brands when they go palm oil free.

https://twitter.com/CuriousApe4/status/1526136783557529600?s=20

https://twitter.com/PhillDixon1/status/1749010345555788144?s=20

https://twitter.com/mugabe139/status/1678027567977078784?s=20

4. Take to the streets: Get in touch with Palm Oil Detectives to find out more.

5. Donate: Make a one-off or monthly donation to Palm Oil Detectives as a way of saying thank you and to help pay for ongoing running costs of the website and social media campaigns. Donate here

Learn about other animals endangered by palm oil and other agriculture

Sunda Flying Lemur Galeopterus variegatus

Western Parotia Parotia sefilata

Capped Langur Trachypithecus pileatus

Mountain Tapir Tapirus pinchaque

Saola Pseudoryx nghetinhensis

Tucuxi Sotalia fluviatilis

Learn about “sustainable” palm oil greenwashing

Read more about RSPO greenwashing

A 2019 World Health Organisation (WHO) report into the palm oil industry and RSPO finds extensive greenwashing of palm oil deforestation and the murder of endangered animals (i.e. biodiversity loss)

Rewinding a Car Alternator for 240 Volt https://hackaday.com/2026/02/03/rewinding-a-car-alternator-for-240-volt/ #hydroelectric #alternator #TechHacks

Cận cảnh Thủy điện Sông Ba Hạ - nơi vừa xả lũ với lưu lượng "chưa từng có"! Nhà máy không chỉ phát điện mà còn cắt giảm lũ, điều tiết nước hạ lưu hiệu quả. 🌊⚡

#ThủyĐiện #SôngBaHạ #XảLũ #LũLụt #Hydroelectric #FloodDischarge #VietnamNews #TinTứcViệtNam

https://vtcnews.vn/can-canh-thuy-dien-song-ba-ha-noi-vua-co-muc-xa-lu-chua-tung-co-ar990647.html

Cận cảnh Thủy điện Sông Ba Hạ - nơi vừa xả lũ với lưu lượng "chưa từng có"! Nhà máy không chỉ phát điện mà còn cắt giảm lũ, điều tiết nước hạ lưu hiệu quả. 🌊⚡

#ThủyĐiện #SôngBaHạ #XảLũ #LũLụt #Hydroelectric #FloodDischarge #VietnamNews #TinTứcViệtNam

https://vtcnews.vn/can-canh-thuy-dien-song-ba-ha-noi-vua-co-muc-xa-lu-chua-tung-co-ar990647.html

Thủy điện Sông Ba Hạ báo cáo kinh doanh với doanh thu lớn trong nhiều năm. Tuy nhiên, việc xả lũ gần đây của công ty đang gây tranh cãi trong dư luận.

#thủyđiện #kinhdoanh #xảlũ #songbaha #hydroelectric #business #flooddischarge

https://vietnamnet.vn/thuy-dien-song-ba-ha-o-dau-kinh-doanh-the-nao-2468353.html

Đắk Lắk, Khánh Hòa yêu cầu các hồ thủy điện hạ mực nước về mức an toàn để chủ động đón lũ trước bão Koto tiến vào Biển Đông. #BãoKoto #ThủyĐiện #ĐắkLắk #KhánhHòa #StormKoto #Hydroelectric #DakLak #KhanhHoa

https://vtcnews.vn/dak-lak-khanh-hoa-yeu-cau-cac-ho-thuy-dien-ha-muc-nuoc-ve-muc-an-toan-ar989436.html

Đắk Lắk, Khánh Hòa yêu cầu các hồ thủy điện hạ mực nước về mức an toàn để chủ động đón lũ trước bão Koto tiến vào Biển Đông. #BãoKoto #ThủyĐiện #ĐắkLắk #KhánhHòa #StormKoto #Hydroelectric #DakLak #KhanhHoa

https://vtcnews.vn/dak-lak-khanh-hoa-yeu-cau-cac-ho-thuy-dien-ha-muc-nuoc-ve-muc-an-toan-ar989436.html

Tucuxi Sotalia fluviatilis

Tucuxi Sotalia fluviatilis

IUCN Red List Status: Endangered

Location: #Brazil, #Peru, #Colombia, #Ecuador

Found throughout the #Amazon and Solimões River systems, including major tributaries and large lakes. Their range spans lowland rainforest areas of Brazil, southeastern Colombia, eastern Ecuador, and southern Peru.

The #Tucuxi, a small freshwater #dolphin of #Peru, #Ecuador, #Colombia and #Brazil now faces a dire future. Once common throughout the Amazon River system, they are now listed as #Endangered due to accelerating population declines. Threats include drowning in fishing nets, deforestation, mercury poisoning from gold mining, #palmoil run-off, oil drilling, and dam construction. A shocking 97% decline was recorded over 23 years in a single Amazon reserve. Without urgent action, this elegant and playful river dolphin could vanish from South America’s waterways. Use your wallet as a weapon against extinction. Choose palm oil-free, and #BoycottGold #BoycottPalmOil #Boycott4Wildlife

https://youtu.be/YYvh0S3ucUI

Playful and intelligent #Tucuxi are small #dolphins 🐬 of #Amazonian rivers in #Peru 🇵🇪 #Brazil 🇧🇷 #Ecuador 🇪🇨 and #Colombia 🇨🇴. #PalmOil and #GoldMining are major threats 😿 Fight for them! #BoycottGold #BoycottPalmOil #Boycott4Wildlife @palmoildetect https://palmoildetectives.com/2025/11/23/tucuxi-sotalia-fluviatilis/

Clever and joyful #Tucuxi are #dolphins 🐬💙 endangered by #hunting #gold #mining and contamination of the Amazon river 🇧🇷 for #PalmOil #agriculture ☠️ Use your wallet as a weapon and #BoycottGold 🥇🚫 #BoycottPalmOil 🌴🚫 #Boycott4Wildlife @palmoildetect https://palmoildetectives.com/2025/11/23/tucuxi-sotalia-fluviatilis/

Appearance & Behaviour

Tucuxis are often mistaken for their oceanic dolphin cousins due to their streamlined bodies, short beaks, and smooth, pale-to-dark grey skin. But these freshwater dolphins are wholly unique—adapted to life in winding river systems where water levels rise and fall dramatically with the seasons.

What sets them apart is their remarkable intelligence and tightly knit social groups. Tucuxis are playful and curious by nature. They leap from the water in graceful arcs, sometimes spinning mid-air.

The Tucuxi, sometimes called the ‘grey dolphin’ due to their uniform colouring, resembles a smaller oceanic dolphin, with a streamlined body and slender beak. Their colour varies from pale grey on the belly to darker grey or bluish-grey along the back.

They travel in small groups of two to six, displaying coordinated swimming patterns. In rare cases, they may form groups up to 26 individuals, particularly at river confluences. Known for their agility, they leap and spin in the water with a grace that belies their size. Tucuxis are particularly drawn to dynamic habitats like river junctions, where waters mix and fish gather.

Threats

• Widespread deforestation from palm oil plantations Palm oil plantations are rapidly expanding across the Amazon, clearing vast tracts of forest that stabilise riverbanks and filter water. This deforestation leads to increased sedimentation in rivers, altering flow patterns and reducing water clarity—conditions that directly disrupt the Tucuxi’s feeding and movement. Run-off from fertilisers and pesticides used in palm oil monocultures also poisons aquatic ecosystems, harming Tucuxis other Amazonian dolphin species and the fish they rely on.
• Toxic mercury pollution from gold mining Artisanal and illegal gold mining in the Amazon releases massive quantities of mercury into the water, contaminating fish and other aquatic organisms. Tucuxis, as top predators, ingest this mercury through their prey, which accumulates in their tissues and causes neurological damage, weakened immunity, and reproductive failure. Mercury exposure is one of the most insidious threats, as it persists in ecosystems long after mining has ceased.
• Incidental drowning in fishing nets Tucuxis are frequently caught and killed in gillnets and other fishing gear as bycatch. Tucuxis and other Amazonian dolphins often inhabit the same confluence zones and productive fishing grounds targeted by local communities, making entanglement almost inevitable. Many carcasses are never recovered, having either been discarded by fishers or lost to river currents, meaning actual mortality rates are likely far higher than reported.
• Deliberate hunting for use as fish bait Though illegal, Tucuxis continue to be targeted and killed in parts of Brazil, especially near the Mamirauá and Amana Reserves, where they are used as bait in the piracatinga (catfish) fishery. This brutal practice involves harpooning or netting dolphins and using their flesh to lure fish, often alongside the killing of Botos. Despite a national ban, weak enforcement and ongoing demand mean this threat persists in remote and lawless regions.
• Illegal fishing with explosives and toxins In certain areas, particularly in Brazil and Peru, fishers use home-made explosives and poisoned bait to stun or kill fish en masse. These destructive methods harm or kill Tucuxis who are attracted by the sudden appearance of dead or stunned prey. The concussive force of explosions and the ingestion of poisoned prey result in slow, agonising deaths for affected dolphins.
• Construction of hydroelectric dams Dams fragment Tucuxi populations by blocking their movement along river corridors, reducing access to feeding and breeding grounds. These projects alter seasonal water flow, raise water temperatures, and flood critical habitats—conditions that significantly disrupt dolphin ecology. Brazil alone has 74 operational dams in the Amazon basin, with over 400 more planned, posing a long-term existential threat to freshwater cetaceans.
• Run-off and contamination from palm oil, soy and meat agriculture In addition to habitat loss, palm oil and soy plantations along with cattle ranching generates enormous volumes of chemical-laden waste, which enters waterways and poisons aquatic life. This pollution affects Tucuxis both directly and indirectly—exposing them to harmful substances and killing off sensitive fish species. As plantations replace biodiverse forests, the ecosystem becomes less resilient, accelerating the decline of species like the Tucuxi.
• Bioaccumulation of heavy metals and industrial pollutants Tucuxis, like many river dolphins, suffer from exposure to persistent organic pollutants such as PCBs, DDT, and flame retardants, as well as heavy metals like lead and cadmium. These toxins accumulate in dolphin tissues over time, weakening their immune systems, interfering with reproduction, and making them more vulnerable to disease. Contaminants originate from industrial waste, agriculture, and mining, and are now widespread across the Amazon basin.
• Habitat fragmentation from infrastructure and oil development Roads, oil pipelines, and shipping corridors criss-cross many parts of the Tucuxi’s range, slicing through their habitat and increasing the risk of collisions with boats. These developments also bring noise pollution, which can interfere with echolocation and communication. Fragmentation leads to isolated subpopulations, reducing genetic diversity and making recovery more difficult.

Geographic Range

The Tucuxi inhabits the Amazon River basin, spanning: Brazil, Peru, Colombia, Ecuador These river dolphins occur as far west as southern Peru and eastern Ecuador, and as far north as southeastern Colombia. They are notably absent from Bolivia’s Beni/Mamoré system, the Orinoco basin, and upper reaches above major waterfalls or rapids.

Their range includes wide, deep rivers and lakes, avoiding turbulent rapids and shallow areas. Despite overlapping with the Amazon River Dolphin (Inia geoffrensis), Tucuxis do not enter flooded forest habitats and stay closer to main river channels.

Diet

Tucuxis feed on more than 28 species of small, schooling freshwater fish, including members of the characid, sciaenid, and siluriform families. During the dry season, fish are concentrated in shrinking waterways, making them easier to catch. In contrast, flooding season disperses prey into forested areas, beyond the Tucuxi’s reach. They prefer to feed at river junctions and along confluences, where nutrient-rich waters concentrate fish populations.

Mating and Reproduction

Little is known about their mating behaviours. However, individuals appear to remain within familiar ranges for many years, and females likely give birth to a single calf after a long gestation. Calves are dependent for an extended period, learning complex navigation and foraging skills in rapidly changing river systems. The estimated generation length is 15.6 years.

FAQs

How many Tucuxis are left in the wild?

There is no comprehensive global population estimate. However, surveys from 1994–2017 in Brazil’s Mamirauá Reserve show a 7.4% annual decline—amounting to a 97% drop over three generations (da Silva et al., 2020). If this trend reflects the wider Amazon basin, the species could be on the brink of collapse.

How long do Tucuxis live?

Exact lifespans are unknown, but based on reproductive data and life history modelling, their generation length is around 15.6 years (Taylor et al., 2007), suggesting natural lifespans of 30–40 years.

How are palm oil and gold mining affecting Tucuxis?

Out-of-control palm oil expansion results in massive deforestation and run-off, clogging rivers with sediment and toxic agrochemicals. Gold mining adds mercury into aquatic ecosystems, where it bioaccumulates in fish—Tucuxis’ main food source. These pollutants cause reproductive harm, neurological damage, and immune system failure in dolphins.

Do Tucuxis make good pets and should they be kept in zoos?

Absolutely not. Tucuxis are intelligent, wild animals. Keeping them in captivity is deeply cruel and has no conservation benefit. Wild capture destroys families and can devastate local populations. If you care about these dolphins, say no to the exotic pet trade and the cruel zoo trade.

What habitats do they prefer?

Research in Peru’s Pacaya-Samiria Reserve shows that Tucuxis prefer river confluences and wide channels, particularly during the dry season when fish density is higher (Belanger et al., 2022). Feeding activity is especially concentrated in areas where whitewater rivers meet blackwater tributaries, creating nutrient-rich hotspots.

Take Action!

The Tucuxi is vanishing before our eyes. To protect them:

• Boycott palm oil and gold products linked to Amazon destruction.

• Choose fish-free and vegan products to reduce pressure on river ecosystems.

• Support indigenous-led conservation across the Amazon.

• Campaign for a ban on destructive dams, and the end of illegal fishing.

#BoycottPalmOil #Boycott4Wildlife #Vegan #BoycottMeat

Support the Tucuxi by going vegan and boycotting palm oil in the supermarket, it’s the #Boycott4Wildlife

Support the conservation of this species

This animal has no protections in place. Read about other forgotten species here. Create art to support this forgotten animal or raise awareness about them by sharing this post and using the #Boycottpalmoil #Boycott4Wildlife hashtags on social media. Also you can boycott palm oil in the supermarket.

Further Information

Belanger, A., Wright, A., Gomez, C., Shutt, J.D., Chota, K., & Bodmer, R. (2022). River dolphins (Inia geoffrensis and Sotalia fluviatilis) in the Peruvian Amazon: habitat preferences and feeding behaviour. Latin American Journal of Aquatic Mammals, 17(1). https://doi.org/10.5597/lajam00268

da Silva, V., Martin, A., Fettuccia, D., Bivaqua, L. & Trujillo, F. 2020. Sotalia fluviatilis. The IUCN Red List of Threatened Species 2020: e.T190871A50386457. https://dx.doi.org/10.2305/IUCN.UK.2020-3.RLTS.T190871A50386457.en. Accessed on 06 April 2025.

Monteiro-Neto, C., Itavo, R. V., & Moraes, L. E. S. (2003). Concentrations of heavy metals in Sotalia fluviatilis (Cetacea: Delphinidae) off the coast of Ceará, northeast Brazil. Environmental Pollution, 123(2), 319–324. https://doi.org/10.1016/S0269-7491(02)00371-8

How can I help the #Boycott4Wildlife?

Take Action in Five Ways

1. Join the #Boycott4Wildlife on social media and subscribe to stay in the loop: Share posts from this website to your own network on Twitter, Mastadon, Instagram, Facebook and Youtube using the hashtags #Boycottpalmoil #Boycott4Wildlife.

• Twitter
• Facebook
• Instagram
• WordPress
• YouTube
• Mail
• Mastodon

Enter your email address

Sign Up

2. Contribute stories: Academics, conservationists, scientists, indigenous rights advocates and animal rights advocates working to expose the corruption of the palm oil industry or to save animals can contribute stories to the website.

Wildlife Artist Juanchi Pérez

Read more

Mel Lumby: Dedicated Devotee to Borneo’s Living Beings

Read more

Anthropologist and Author Dr Sophie Chao

Read more

Health Physician Dr Evan Allen

Read more

The World’s Most Loved Cup: A Social, Ethical & Environmental History of Coffee by Aviary Doert

Read more

How do we stop the world’s ecosystems from going into a death spiral? A #SteadyState Economy

Read more

3. Supermarket sleuthing: Next time you’re in the supermarket, take photos of products containing palm oil. Share these to social media along with the hashtags to call out the greenwashing and ecocide of the brands who use palm oil. You can also take photos of palm oil free products and congratulate brands when they go palm oil free.

https://twitter.com/CuriousApe4/status/1526136783557529600?s=20

https://twitter.com/PhillDixon1/status/1749010345555788144?s=20

https://twitter.com/mugabe139/status/1678027567977078784?s=20

4. Take to the streets: Get in touch with Palm Oil Detectives to find out more.

5. Donate: Make a one-off or monthly donation to Palm Oil Detectives as a way of saying thank you and to help pay for ongoing running costs of the website and social media campaigns. Donate here

Learn about other animals endangered by palm oil and other agriculture

Frill-Necked Lizard Chlamydosaurus kingii

Keep reading

Grey Crowned Crane Balearica regulorum

Keep reading

Ecuadorean Viscacha Lagidium ahuacaense

Keep reading

Southern Pudu Pudu puda

Keep reading

Blue-streaked Lory Eos reticulata

Keep reading

Blonde Capuchin Sapajus flavius

Keep reading

Learn about “sustainable” palm oil greenwashing

Read more about RSPO greenwashing

A 2019 World Health Organisation (WHO) report into the palm oil industry and RSPO finds extensive greenwashing of palm oil deforestation and the murder of endangered animals (i.e. biodiversity loss)

#agriculture #amazon #amazonRainforest #amazonia #amazonian #animalCruelty #animals #boycott4wildlife #boycottgold #boycottmeat #boycottpalmoil #brazil #colombia #dams #deforestation #dolphin #dolphins #ecuador #endangered #endangeredSpecies #forgottenAnimals #gold #goldMining #goldmining #humanWildlifeConflict #hunting #hydroelectric #mammal #mining #palmOil #palmOilDeforestation #palmoil #peru #poaching #saynotogold #tucuxi #tucuxiSotaliaFluviatilis #vegan

Tucuxi Sotalia fluviatilis

Tucuxi Sotalia fluviatilis

IUCN Red List Status: Endangered

Location: #Brazil, #Peru, #Colombia, #Ecuador

Found throughout the #Amazon and Solimões River systems, including major tributaries and large lakes. Their range spans lowland rainforest areas of Brazil, southeastern Colombia, eastern Ecuador, and southern Peru.

The #Tucuxi, a small freshwater #dolphin of #Peru, #Ecuador, #Colombia and #Brazil now faces a dire future. Once common throughout the Amazon River system, they are now listed as #Endangered due to accelerating population declines. Threats include drowning in fishing nets, deforestation, mercury poisoning from gold mining, #palmoil run-off, oil drilling, and dam construction. A shocking 97% decline was recorded over 23 years in a single Amazon reserve. Without urgent action, this elegant and playful river dolphin could vanish from South America’s waterways. Use your wallet as a weapon against extinction. Choose palm oil-free, and #BoycottGold #BoycottPalmOil #Boycott4Wildlife

https://youtu.be/YYvh0S3ucUI

Playful and intelligent #Tucuxi are small #dolphins 🐬 of #Amazonian rivers in #Peru 🇵🇪 #Brazil 🇧🇷 #Ecuador 🇪🇨 and #Colombia 🇨🇴. #PalmOil and #GoldMining are major threats 😿 Fight for them! #BoycottGold #BoycottPalmOil #Boycott4Wildlife @palmoildetect https://palmoildetectives.com/2025/11/23/tucuxi-sotalia-fluviatilis/

Clever and joyful #Tucuxi are #dolphins 🐬💙 endangered by #hunting #gold #mining and contamination of the Amazon river 🇧🇷 for #PalmOil #agriculture ☠️ Use your wallet as a weapon and #BoycottGold 🥇🚫 #BoycottPalmOil 🌴🚫 #Boycott4Wildlife @palmoildetect https://palmoildetectives.com/2025/11/23/tucuxi-sotalia-fluviatilis/

Appearance & Behaviour

Tucuxis are often mistaken for their oceanic dolphin cousins due to their streamlined bodies, short beaks, and smooth, pale-to-dark grey skin. But these freshwater dolphins are wholly unique—adapted to life in winding river systems where water levels rise and fall dramatically with the seasons.

What sets them apart is their remarkable intelligence and tightly knit social groups. Tucuxis are playful and curious by nature. They leap from the water in graceful arcs, sometimes spinning mid-air.

The Tucuxi, sometimes called the ‘grey dolphin’ due to their uniform colouring, resembles a smaller oceanic dolphin, with a streamlined body and slender beak. Their colour varies from pale grey on the belly to darker grey or bluish-grey along the back.

They travel in small groups of two to six, displaying coordinated swimming patterns. In rare cases, they may form groups up to 26 individuals, particularly at river confluences. Known for their agility, they leap and spin in the water with a grace that belies their size. Tucuxis are particularly drawn to dynamic habitats like river junctions, where waters mix and fish gather.

Threats

• Widespread deforestation from palm oil plantations Palm oil plantations are rapidly expanding across the Amazon, clearing vast tracts of forest that stabilise riverbanks and filter water. This deforestation leads to increased sedimentation in rivers, altering flow patterns and reducing water clarity—conditions that directly disrupt the Tucuxi’s feeding and movement. Run-off from fertilisers and pesticides used in palm oil monocultures also poisons aquatic ecosystems, harming Tucuxis other Amazonian dolphin species and the fish they rely on.
• Toxic mercury pollution from gold mining Artisanal and illegal gold mining in the Amazon releases massive quantities of mercury into the water, contaminating fish and other aquatic organisms. Tucuxis, as top predators, ingest this mercury through their prey, which accumulates in their tissues and causes neurological damage, weakened immunity, and reproductive failure. Mercury exposure is one of the most insidious threats, as it persists in ecosystems long after mining has ceased.
• Incidental drowning in fishing nets Tucuxis are frequently caught and killed in gillnets and other fishing gear as bycatch. Tucuxis and other Amazonian dolphins often inhabit the same confluence zones and productive fishing grounds targeted by local communities, making entanglement almost inevitable. Many carcasses are never recovered, having either been discarded by fishers or lost to river currents, meaning actual mortality rates are likely far higher than reported.
• Deliberate hunting for use as fish bait Though illegal, Tucuxis continue to be targeted and killed in parts of Brazil, especially near the Mamirauá and Amana Reserves, where they are used as bait in the piracatinga (catfish) fishery. This brutal practice involves harpooning or netting dolphins and using their flesh to lure fish, often alongside the killing of Botos. Despite a national ban, weak enforcement and ongoing demand mean this threat persists in remote and lawless regions.
• Illegal fishing with explosives and toxins In certain areas, particularly in Brazil and Peru, fishers use home-made explosives and poisoned bait to stun or kill fish en masse. These destructive methods harm or kill Tucuxis who are attracted by the sudden appearance of dead or stunned prey. The concussive force of explosions and the ingestion of poisoned prey result in slow, agonising deaths for affected dolphins.
• Construction of hydroelectric dams Dams fragment Tucuxi populations by blocking their movement along river corridors, reducing access to feeding and breeding grounds. These projects alter seasonal water flow, raise water temperatures, and flood critical habitats—conditions that significantly disrupt dolphin ecology. Brazil alone has 74 operational dams in the Amazon basin, with over 400 more planned, posing a long-term existential threat to freshwater cetaceans.
• Run-off and contamination from palm oil, soy and meat agriculture In addition to habitat loss, palm oil and soy plantations along with cattle ranching generates enormous volumes of chemical-laden waste, which enters waterways and poisons aquatic life. This pollution affects Tucuxis both directly and indirectly—exposing them to harmful substances and killing off sensitive fish species. As plantations replace biodiverse forests, the ecosystem becomes less resilient, accelerating the decline of species like the Tucuxi.
• Bioaccumulation of heavy metals and industrial pollutants Tucuxis, like many river dolphins, suffer from exposure to persistent organic pollutants such as PCBs, DDT, and flame retardants, as well as heavy metals like lead and cadmium. These toxins accumulate in dolphin tissues over time, weakening their immune systems, interfering with reproduction, and making them more vulnerable to disease. Contaminants originate from industrial waste, agriculture, and mining, and are now widespread across the Amazon basin.
• Habitat fragmentation from infrastructure and oil development Roads, oil pipelines, and shipping corridors criss-cross many parts of the Tucuxi’s range, slicing through their habitat and increasing the risk of collisions with boats. These developments also bring noise pollution, which can interfere with echolocation and communication. Fragmentation leads to isolated subpopulations, reducing genetic diversity and making recovery more difficult.

Geographic Range

The Tucuxi inhabits the Amazon River basin, spanning: Brazil, Peru, Colombia, Ecuador These river dolphins occur as far west as southern Peru and eastern Ecuador, and as far north as southeastern Colombia. They are notably absent from Bolivia’s Beni/Mamoré system, the Orinoco basin, and upper reaches above major waterfalls or rapids.

Their range includes wide, deep rivers and lakes, avoiding turbulent rapids and shallow areas. Despite overlapping with the Amazon River Dolphin (Inia geoffrensis), Tucuxis do not enter flooded forest habitats and stay closer to main river channels.

Diet

Tucuxis feed on more than 28 species of small, schooling freshwater fish, including members of the characid, sciaenid, and siluriform families. During the dry season, fish are concentrated in shrinking waterways, making them easier to catch. In contrast, flooding season disperses prey into forested areas, beyond the Tucuxi’s reach. They prefer to feed at river junctions and along confluences, where nutrient-rich waters concentrate fish populations.

Mating and Reproduction

Little is known about their mating behaviours. However, individuals appear to remain within familiar ranges for many years, and females likely give birth to a single calf after a long gestation. Calves are dependent for an extended period, learning complex navigation and foraging skills in rapidly changing river systems. The estimated generation length is 15.6 years.

FAQs

How many Tucuxis are left in the wild?

There is no comprehensive global population estimate. However, surveys from 1994–2017 in Brazil’s Mamirauá Reserve show a 7.4% annual decline—amounting to a 97% drop over three generations (da Silva et al., 2020). If this trend reflects the wider Amazon basin, the species could be on the brink of collapse.

How long do Tucuxis live?

Exact lifespans are unknown, but based on reproductive data and life history modelling, their generation length is around 15.6 years (Taylor et al., 2007), suggesting natural lifespans of 30–40 years.

How are palm oil and gold mining affecting Tucuxis?

Out-of-control palm oil expansion results in massive deforestation and run-off, clogging rivers with sediment and toxic agrochemicals. Gold mining adds mercury into aquatic ecosystems, where it bioaccumulates in fish—Tucuxis’ main food source. These pollutants cause reproductive harm, neurological damage, and immune system failure in dolphins.

Do Tucuxis make good pets and should they be kept in zoos?

Absolutely not. Tucuxis are intelligent, wild animals. Keeping them in captivity is deeply cruel and has no conservation benefit. Wild capture destroys families and can devastate local populations. If you care about these dolphins, say no to the exotic pet trade and the cruel zoo trade.

What habitats do they prefer?

Research in Peru’s Pacaya-Samiria Reserve shows that Tucuxis prefer river confluences and wide channels, particularly during the dry season when fish density is higher (Belanger et al., 2022). Feeding activity is especially concentrated in areas where whitewater rivers meet blackwater tributaries, creating nutrient-rich hotspots.

Take Action!

The Tucuxi is vanishing before our eyes. To protect them:

• Boycott palm oil and gold products linked to Amazon destruction.

• Choose fish-free and vegan products to reduce pressure on river ecosystems.

• Support indigenous-led conservation across the Amazon.

• Campaign for a ban on destructive dams, and the end of illegal fishing.

#BoycottPalmOil #Boycott4Wildlife #Vegan #BoycottMeat

Support the Tucuxi by going vegan and boycotting palm oil in the supermarket, it’s the #Boycott4Wildlife

Support the conservation of this species

This animal has no protections in place. Read about other forgotten species here. Create art to support this forgotten animal or raise awareness about them by sharing this post and using the #Boycottpalmoil #Boycott4Wildlife hashtags on social media. Also you can boycott palm oil in the supermarket.

Further Information

Belanger, A., Wright, A., Gomez, C., Shutt, J.D., Chota, K., & Bodmer, R. (2022). River dolphins (Inia geoffrensis and Sotalia fluviatilis) in the Peruvian Amazon: habitat preferences and feeding behaviour. Latin American Journal of Aquatic Mammals, 17(1). https://doi.org/10.5597/lajam00268

da Silva, V., Martin, A., Fettuccia, D., Bivaqua, L. & Trujillo, F. 2020. Sotalia fluviatilis. The IUCN Red List of Threatened Species 2020: e.T190871A50386457. https://dx.doi.org/10.2305/IUCN.UK.2020-3.RLTS.T190871A50386457.en. Accessed on 06 April 2025.

Monteiro-Neto, C., Itavo, R. V., & Moraes, L. E. S. (2003). Concentrations of heavy metals in Sotalia fluviatilis (Cetacea: Delphinidae) off the coast of Ceará, northeast Brazil. Environmental Pollution, 123(2), 319–324. https://doi.org/10.1016/S0269-7491(02)00371-8

How can I help the #Boycott4Wildlife?

Take Action in Five Ways

1. Join the #Boycott4Wildlife on social media and subscribe to stay in the loop: Share posts from this website to your own network on Twitter, Mastadon, Instagram, Facebook and Youtube using the hashtags #Boycottpalmoil #Boycott4Wildlife.

• Twitter
• Facebook
• Instagram
• WordPress
• YouTube
• Mail
• Mastodon

Enter your email address

Sign Up

2. Contribute stories: Academics, conservationists, scientists, indigenous rights advocates and animal rights advocates working to expose the corruption of the palm oil industry or to save animals can contribute stories to the website.

Wildlife Artist Juanchi Pérez

Read more

Mel Lumby: Dedicated Devotee to Borneo’s Living Beings

Read more

Anthropologist and Author Dr Sophie Chao

Read more

Health Physician Dr Evan Allen

Read more

The World’s Most Loved Cup: A Social, Ethical & Environmental History of Coffee by Aviary Doert

Read more

How do we stop the world’s ecosystems from going into a death spiral? A #SteadyState Economy

Read more

3. Supermarket sleuthing: Next time you’re in the supermarket, take photos of products containing palm oil. Share these to social media along with the hashtags to call out the greenwashing and ecocide of the brands who use palm oil. You can also take photos of palm oil free products and congratulate brands when they go palm oil free.

https://twitter.com/CuriousApe4/status/1526136783557529600?s=20

https://twitter.com/PhillDixon1/status/1749010345555788144?s=20

https://twitter.com/mugabe139/status/1678027567977078784?s=20

4. Take to the streets: Get in touch with Palm Oil Detectives to find out more.

5. Donate: Make a one-off or monthly donation to Palm Oil Detectives as a way of saying thank you and to help pay for ongoing running costs of the website and social media campaigns. Donate here

Learn about other animals endangered by palm oil and other agriculture

Tucuxi Sotalia fluviatilis

Keep reading

Frill-Necked Lizard Chlamydosaurus kingii

Keep reading

Grey Crowned Crane Balearica regulorum

Keep reading

Ecuadorean Viscacha Lagidium ahuacaense

Keep reading

Southern Pudu Pudu puda

Keep reading

Blue-streaked Lory Eos reticulata

Keep reading

Learn about “sustainable” palm oil greenwashing

Read more about RSPO greenwashing

A 2019 World Health Organisation (WHO) report into the palm oil industry and RSPO finds extensive greenwashing of palm oil deforestation and the murder of endangered animals (i.e. biodiversity loss)

#agriculture #amazon #amazonRainforest #amazonia #amazonian #animalCruelty #animals #boycott4wildlife #boycottgold #boycottmeat #boycottpalmoil #brazil #colombia #dams #deforestation #dolphin #dolphins #ecuador #endangered #endangeredSpecies #forgottenAnimals #gold #goldMining #goldmining #humanWildlifeConflict #hunting #hydroelectric #mammal #mining #palmOil #palmOilDeforestation #palmoil #peru #poaching #saynotogold #tucuxi #tucuxiSotaliaFluviatilis #vegan

Tucuxi Sotalia fluviatilis

Tucuxi Sotalia fluviatilis

IUCN Red List Status: Endangered

Location: #Brazil, #Peru, #Colombia, #Ecuador

Found throughout the #Amazon and Solimões River systems, including major tributaries and large lakes. Their range spans lowland rainforest areas of Brazil, southeastern Colombia, eastern Ecuador, and southern Peru.

The #Tucuxi, a small freshwater #dolphin of #Peru, #Ecuador, #Colombia and #Brazil now faces a dire future. Once common throughout the Amazon River system, they are now listed as #Endangered due to accelerating population declines. Threats include drowning in fishing nets, deforestation, mercury poisoning from gold mining, #palmoil run-off, oil drilling, and dam construction. A shocking 97% decline was recorded over 23 years in a single Amazon reserve. Without urgent action, this elegant and playful river dolphin could vanish from South America’s waterways. Use your wallet as a weapon against extinction. Choose palm oil-free, and #BoycottGold #BoycottPalmOil #Boycott4Wildlife

https://youtu.be/YYvh0S3ucUI

Playful and intelligent #Tucuxi are small #dolphins 🐬 of #Amazonian rivers in #Peru 🇵🇪 #Brazil 🇧🇷 #Ecuador 🇪🇨 and #Colombia 🇨🇴. #PalmOil and #GoldMining are major threats 😿 Fight for them! #BoycottGold #BoycottPalmOil #Boycott4Wildlife @palmoildetect https://palmoildetectives.com/2025/11/23/tucuxi-sotalia-fluviatilis/

Clever and joyful #Tucuxi are #dolphins 🐬💙 endangered by #hunting #gold #mining and contamination of the Amazon river 🇧🇷 for #PalmOil #agriculture ☠️ Use your wallet as a weapon and #BoycottGold 🥇🚫 #BoycottPalmOil 🌴🚫 #Boycott4Wildlife @palmoildetect https://palmoildetectives.com/2025/11/23/tucuxi-sotalia-fluviatilis/

Appearance & Behaviour

Tucuxis are often mistaken for their oceanic dolphin cousins due to their streamlined bodies, short beaks, and smooth, pale-to-dark grey skin. But these freshwater dolphins are wholly unique—adapted to life in winding river systems where water levels rise and fall dramatically with the seasons.

What sets them apart is their remarkable intelligence and tightly knit social groups. Tucuxis are playful and curious by nature. They leap from the water in graceful arcs, sometimes spinning mid-air.

The Tucuxi, sometimes called the ‘grey dolphin’ due to their uniform colouring, resembles a smaller oceanic dolphin, with a streamlined body and slender beak. Their colour varies from pale grey on the belly to darker grey or bluish-grey along the back.

They travel in small groups of two to six, displaying coordinated swimming patterns. In rare cases, they may form groups up to 26 individuals, particularly at river confluences. Known for their agility, they leap and spin in the water with a grace that belies their size. Tucuxis are particularly drawn to dynamic habitats like river junctions, where waters mix and fish gather.

Threats

• Widespread deforestation from palm oil plantations Palm oil plantations are rapidly expanding across the Amazon, clearing vast tracts of forest that stabilise riverbanks and filter water. This deforestation leads to increased sedimentation in rivers, altering flow patterns and reducing water clarity—conditions that directly disrupt the Tucuxi’s feeding and movement. Run-off from fertilisers and pesticides used in palm oil monocultures also poisons aquatic ecosystems, harming Tucuxis other Amazonian dolphin species and the fish they rely on.
• Toxic mercury pollution from gold mining Artisanal and illegal gold mining in the Amazon releases massive quantities of mercury into the water, contaminating fish and other aquatic organisms. Tucuxis, as top predators, ingest this mercury through their prey, which accumulates in their tissues and causes neurological damage, weakened immunity, and reproductive failure. Mercury exposure is one of the most insidious threats, as it persists in ecosystems long after mining has ceased.
• Incidental drowning in fishing nets Tucuxis are frequently caught and killed in gillnets and other fishing gear as bycatch. Tucuxis and other Amazonian dolphins often inhabit the same confluence zones and productive fishing grounds targeted by local communities, making entanglement almost inevitable. Many carcasses are never recovered, having either been discarded by fishers or lost to river currents, meaning actual mortality rates are likely far higher than reported.
• Deliberate hunting for use as fish bait Though illegal, Tucuxis continue to be targeted and killed in parts of Brazil, especially near the Mamirauá and Amana Reserves, where they are used as bait in the piracatinga (catfish) fishery. This brutal practice involves harpooning or netting dolphins and using their flesh to lure fish, often alongside the killing of Botos. Despite a national ban, weak enforcement and ongoing demand mean this threat persists in remote and lawless regions.
• Illegal fishing with explosives and toxins In certain areas, particularly in Brazil and Peru, fishers use home-made explosives and poisoned bait to stun or kill fish en masse. These destructive methods harm or kill Tucuxis who are attracted by the sudden appearance of dead or stunned prey. The concussive force of explosions and the ingestion of poisoned prey result in slow, agonising deaths for affected dolphins.
• Construction of hydroelectric dams Dams fragment Tucuxi populations by blocking their movement along river corridors, reducing access to feeding and breeding grounds. These projects alter seasonal water flow, raise water temperatures, and flood critical habitats—conditions that significantly disrupt dolphin ecology. Brazil alone has 74 operational dams in the Amazon basin, with over 400 more planned, posing a long-term existential threat to freshwater cetaceans.
• Run-off and contamination from palm oil, soy and meat agriculture In addition to habitat loss, palm oil and soy plantations along with cattle ranching generates enormous volumes of chemical-laden waste, which enters waterways and poisons aquatic life. This pollution affects Tucuxis both directly and indirectly—exposing them to harmful substances and killing off sensitive fish species. As plantations replace biodiverse forests, the ecosystem becomes less resilient, accelerating the decline of species like the Tucuxi.
• Bioaccumulation of heavy metals and industrial pollutants Tucuxis, like many river dolphins, suffer from exposure to persistent organic pollutants such as PCBs, DDT, and flame retardants, as well as heavy metals like lead and cadmium. These toxins accumulate in dolphin tissues over time, weakening their immune systems, interfering with reproduction, and making them more vulnerable to disease. Contaminants originate from industrial waste, agriculture, and mining, and are now widespread across the Amazon basin.
• Habitat fragmentation from infrastructure and oil development Roads, oil pipelines, and shipping corridors criss-cross many parts of the Tucuxi’s range, slicing through their habitat and increasing the risk of collisions with boats. These developments also bring noise pollution, which can interfere with echolocation and communication. Fragmentation leads to isolated subpopulations, reducing genetic diversity and making recovery more difficult.

Geographic Range

The Tucuxi inhabits the Amazon River basin, spanning: Brazil, Peru, Colombia, Ecuador These river dolphins occur as far west as southern Peru and eastern Ecuador, and as far north as southeastern Colombia. They are notably absent from Bolivia’s Beni/Mamoré system, the Orinoco basin, and upper reaches above major waterfalls or rapids.

Their range includes wide, deep rivers and lakes, avoiding turbulent rapids and shallow areas. Despite overlapping with the Amazon River Dolphin (Inia geoffrensis), Tucuxis do not enter flooded forest habitats and stay closer to main river channels.

Diet

Tucuxis feed on more than 28 species of small, schooling freshwater fish, including members of the characid, sciaenid, and siluriform families. During the dry season, fish are concentrated in shrinking waterways, making them easier to catch. In contrast, flooding season disperses prey into forested areas, beyond the Tucuxi’s reach. They prefer to feed at river junctions and along confluences, where nutrient-rich waters concentrate fish populations.

Mating and Reproduction

Little is known about their mating behaviours. However, individuals appear to remain within familiar ranges for many years, and females likely give birth to a single calf after a long gestation. Calves are dependent for an extended period, learning complex navigation and foraging skills in rapidly changing river systems. The estimated generation length is 15.6 years.

FAQs

How many Tucuxis are left in the wild?

There is no comprehensive global population estimate. However, surveys from 1994–2017 in Brazil’s Mamirauá Reserve show a 7.4% annual decline—amounting to a 97% drop over three generations (da Silva et al., 2020). If this trend reflects the wider Amazon basin, the species could be on the brink of collapse.

How long do Tucuxis live?

Exact lifespans are unknown, but based on reproductive data and life history modelling, their generation length is around 15.6 years (Taylor et al., 2007), suggesting natural lifespans of 30–40 years.

How are palm oil and gold mining affecting Tucuxis?

Out-of-control palm oil expansion results in massive deforestation and run-off, clogging rivers with sediment and toxic agrochemicals. Gold mining adds mercury into aquatic ecosystems, where it bioaccumulates in fish—Tucuxis’ main food source. These pollutants cause reproductive harm, neurological damage, and immune system failure in dolphins.

Do Tucuxis make good pets and should they be kept in zoos?

Absolutely not. Tucuxis are intelligent, wild animals. Keeping them in captivity is deeply cruel and has no conservation benefit. Wild capture destroys families and can devastate local populations. If you care about these dolphins, say no to the exotic pet trade and the cruel zoo trade.

What habitats do they prefer?

Research in Peru’s Pacaya-Samiria Reserve shows that Tucuxis prefer river confluences and wide channels, particularly during the dry season when fish density is higher (Belanger et al., 2022). Feeding activity is especially concentrated in areas where whitewater rivers meet blackwater tributaries, creating nutrient-rich hotspots.

Take Action!

The Tucuxi is vanishing before our eyes. To protect them:

• Boycott palm oil and gold products linked to Amazon destruction.

• Choose fish-free and vegan products to reduce pressure on river ecosystems.

• Support indigenous-led conservation across the Amazon.

• Campaign for a ban on destructive dams, and the end of illegal fishing.

#BoycottPalmOil #Boycott4Wildlife #Vegan #BoycottMeat

Support the Tucuxi by going vegan and boycotting palm oil in the supermarket, it’s the #Boycott4Wildlife

Support the conservation of this species

This animal has no protections in place. Read about other forgotten species here. Create art to support this forgotten animal or raise awareness about them by sharing this post and using the #Boycottpalmoil #Boycott4Wildlife hashtags on social media. Also you can boycott palm oil in the supermarket.

Further Information

Belanger, A., Wright, A., Gomez, C., Shutt, J.D., Chota, K., & Bodmer, R. (2022). River dolphins (Inia geoffrensis and Sotalia fluviatilis) in the Peruvian Amazon: habitat preferences and feeding behaviour. Latin American Journal of Aquatic Mammals, 17(1). https://doi.org/10.5597/lajam00268

da Silva, V., Martin, A., Fettuccia, D., Bivaqua, L. & Trujillo, F. 2020. Sotalia fluviatilis. The IUCN Red List of Threatened Species 2020: e.T190871A50386457. https://dx.doi.org/10.2305/IUCN.UK.2020-3.RLTS.T190871A50386457.en. Accessed on 06 April 2025.

Monteiro-Neto, C., Itavo, R. V., & Moraes, L. E. S. (2003). Concentrations of heavy metals in Sotalia fluviatilis (Cetacea: Delphinidae) off the coast of Ceará, northeast Brazil. Environmental Pollution, 123(2), 319–324. https://doi.org/10.1016/S0269-7491(02)00371-8

How can I help the #Boycott4Wildlife?

Take Action in Five Ways

1. Join the #Boycott4Wildlife on social media and subscribe to stay in the loop: Share posts from this website to your own network on Twitter, Mastadon, Instagram, Facebook and Youtube using the hashtags #Boycottpalmoil #Boycott4Wildlife.

• Twitter
• Facebook
• Instagram
• WordPress
• YouTube
• Mail
• Mastodon

Enter your email address

Sign Up

2. Contribute stories: Academics, conservationists, scientists, indigenous rights advocates and animal rights advocates working to expose the corruption of the palm oil industry or to save animals can contribute stories to the website.

Wildlife Artist Juanchi Pérez

Read more

Mel Lumby: Dedicated Devotee to Borneo’s Living Beings

Read more

Anthropologist and Author Dr Sophie Chao

Read more

Health Physician Dr Evan Allen

Read more

The World’s Most Loved Cup: A Social, Ethical & Environmental History of Coffee by Aviary Doert

Read more

How do we stop the world’s ecosystems from going into a death spiral? A #SteadyState Economy

Read more

3. Supermarket sleuthing: Next time you’re in the supermarket, take photos of products containing palm oil. Share these to social media along with the hashtags to call out the greenwashing and ecocide of the brands who use palm oil. You can also take photos of palm oil free products and congratulate brands when they go palm oil free.

https://twitter.com/CuriousApe4/status/1526136783557529600?s=20

https://twitter.com/PhillDixon1/status/1749010345555788144?s=20

https://twitter.com/mugabe139/status/1678027567977078784?s=20

4. Take to the streets: Get in touch with Palm Oil Detectives to find out more.

5. Donate: Make a one-off or monthly donation to Palm Oil Detectives as a way of saying thank you and to help pay for ongoing running costs of the website and social media campaigns. Donate here

Learn about other animals endangered by palm oil and other agriculture

Frill-Necked Lizard Chlamydosaurus kingii

Keep reading

Grey Crowned Crane Balearica regulorum

Keep reading

Ecuadorean Viscacha Lagidium ahuacaense

Keep reading

Southern Pudu Pudu puda

Keep reading

Blue-streaked Lory Eos reticulata

Keep reading

Blonde Capuchin Sapajus flavius

Keep reading

Learn about “sustainable” palm oil greenwashing

Read more about RSPO greenwashing

A 2019 World Health Organisation (WHO) report into the palm oil industry and RSPO finds extensive greenwashing of palm oil deforestation and the murder of endangered animals (i.e. biodiversity loss)

#agriculture #amazon #amazonRainforest #amazonia #amazonian #animalCruelty #animals #boycott4wildlife #boycottgold #boycottmeat #boycottpalmoil #brazil #colombia #dams #deforestation #dolphin #dolphins #ecuador #endangered #endangeredSpecies #forgottenAnimals #gold #goldMining #goldmining #humanWildlifeConflict #hunting #hydroelectric #mammal #mining #palmOil #palmOilDeforestation #palmoil #peru #poaching #saynotogold #tucuxi #tucuxiSotaliaFluviatilis #vegan

Tucuxi Sotalia fluviatilis

Tucuxi Sotalia fluviatilis

IUCN Red List Status: Endangered

Location: #Brazil, #Peru, #Colombia, #Ecuador

Found throughout the #Amazon and Solimões River systems, including major tributaries and large lakes. Their range spans lowland rainforest areas of Brazil, southeastern Colombia, eastern Ecuador, and southern Peru.

The #Tucuxi, a small freshwater #dolphin of #Peru, #Ecuador, #Colombia and #Brazil now faces a dire future. Once common throughout the Amazon River system, they are now listed as #Endangered due to accelerating population declines. Threats include drowning in fishing nets, deforestation, mercury poisoning from gold mining, #palmoil run-off, oil drilling, and dam construction. A shocking 97% decline was recorded over 23 years in a single Amazon reserve. Without urgent action, this elegant and playful river dolphin could vanish from South America’s waterways. Use your wallet as a weapon against extinction. Choose palm oil-free, and #BoycottGold #BoycottPalmOil #Boycott4Wildlife

https://youtu.be/YYvh0S3ucUI

Playful and intelligent #Tucuxi are small #dolphins 🐬 of #Amazonian rivers in #Peru 🇵🇪 #Brazil 🇧🇷 #Ecuador 🇪🇨 and #Colombia 🇨🇴. #PalmOil and #GoldMining are major threats 😿 Fight for them! #BoycottGold #BoycottPalmOil #Boycott4Wildlife @palmoildetect https://palmoildetectives.com/2025/11/23/tucuxi-sotalia-fluviatilis/

Clever and joyful #Tucuxi are #dolphins 🐬💙 endangered by #hunting #gold #mining and contamination of the Amazon river 🇧🇷 for #PalmOil #agriculture ☠️ Use your wallet as a weapon and #BoycottGold 🥇🚫 #BoycottPalmOil 🌴🚫 #Boycott4Wildlife @palmoildetect https://palmoildetectives.com/2025/11/23/tucuxi-sotalia-fluviatilis/

Appearance & Behaviour

Tucuxis are often mistaken for their oceanic dolphin cousins due to their streamlined bodies, short beaks, and smooth, pale-to-dark grey skin. But these freshwater dolphins are wholly unique—adapted to life in winding river systems where water levels rise and fall dramatically with the seasons.

What sets them apart is their remarkable intelligence and tightly knit social groups. Tucuxis are playful and curious by nature. They leap from the water in graceful arcs, sometimes spinning mid-air.

The Tucuxi, sometimes called the ‘grey dolphin’ due to their uniform colouring, resembles a smaller oceanic dolphin, with a streamlined body and slender beak. Their colour varies from pale grey on the belly to darker grey or bluish-grey along the back.

They travel in small groups of two to six, displaying coordinated swimming patterns. In rare cases, they may form groups up to 26 individuals, particularly at river confluences. Known for their agility, they leap and spin in the water with a grace that belies their size. Tucuxis are particularly drawn to dynamic habitats like river junctions, where waters mix and fish gather.

Threats

• Widespread deforestation from palm oil plantations Palm oil plantations are rapidly expanding across the Amazon, clearing vast tracts of forest that stabilise riverbanks and filter water. This deforestation leads to increased sedimentation in rivers, altering flow patterns and reducing water clarity—conditions that directly disrupt the Tucuxi’s feeding and movement. Run-off from fertilisers and pesticides used in palm oil monocultures also poisons aquatic ecosystems, harming Tucuxis other Amazonian dolphin species and the fish they rely on.
• Toxic mercury pollution from gold mining Artisanal and illegal gold mining in the Amazon releases massive quantities of mercury into the water, contaminating fish and other aquatic organisms. Tucuxis, as top predators, ingest this mercury through their prey, which accumulates in their tissues and causes neurological damage, weakened immunity, and reproductive failure. Mercury exposure is one of the most insidious threats, as it persists in ecosystems long after mining has ceased.
• Incidental drowning in fishing nets Tucuxis are frequently caught and killed in gillnets and other fishing gear as bycatch. Tucuxis and other Amazonian dolphins often inhabit the same confluence zones and productive fishing grounds targeted by local communities, making entanglement almost inevitable. Many carcasses are never recovered, having either been discarded by fishers or lost to river currents, meaning actual mortality rates are likely far higher than reported.
• Deliberate hunting for use as fish bait Though illegal, Tucuxis continue to be targeted and killed in parts of Brazil, especially near the Mamirauá and Amana Reserves, where they are used as bait in the piracatinga (catfish) fishery. This brutal practice involves harpooning or netting dolphins and using their flesh to lure fish, often alongside the killing of Botos. Despite a national ban, weak enforcement and ongoing demand mean this threat persists in remote and lawless regions.
• Illegal fishing with explosives and toxins In certain areas, particularly in Brazil and Peru, fishers use home-made explosives and poisoned bait to stun or kill fish en masse. These destructive methods harm or kill Tucuxis who are attracted by the sudden appearance of dead or stunned prey. The concussive force of explosions and the ingestion of poisoned prey result in slow, agonising deaths for affected dolphins.
• Construction of hydroelectric dams Dams fragment Tucuxi populations by blocking their movement along river corridors, reducing access to feeding and breeding grounds. These projects alter seasonal water flow, raise water temperatures, and flood critical habitats—conditions that significantly disrupt dolphin ecology. Brazil alone has 74 operational dams in the Amazon basin, with over 400 more planned, posing a long-term existential threat to freshwater cetaceans.
• Run-off and contamination from palm oil, soy and meat agriculture In addition to habitat loss, palm oil and soy plantations along with cattle ranching generates enormous volumes of chemical-laden waste, which enters waterways and poisons aquatic life. This pollution affects Tucuxis both directly and indirectly—exposing them to harmful substances and killing off sensitive fish species. As plantations replace biodiverse forests, the ecosystem becomes less resilient, accelerating the decline of species like the Tucuxi.
• Bioaccumulation of heavy metals and industrial pollutants Tucuxis, like many river dolphins, suffer from exposure to persistent organic pollutants such as PCBs, DDT, and flame retardants, as well as heavy metals like lead and cadmium. These toxins accumulate in dolphin tissues over time, weakening their immune systems, interfering with reproduction, and making them more vulnerable to disease. Contaminants originate from industrial waste, agriculture, and mining, and are now widespread across the Amazon basin.
• Habitat fragmentation from infrastructure and oil development Roads, oil pipelines, and shipping corridors criss-cross many parts of the Tucuxi’s range, slicing through their habitat and increasing the risk of collisions with boats. These developments also bring noise pollution, which can interfere with echolocation and communication. Fragmentation leads to isolated subpopulations, reducing genetic diversity and making recovery more difficult.

Geographic Range

The Tucuxi inhabits the Amazon River basin, spanning: Brazil, Peru, Colombia, Ecuador These river dolphins occur as far west as southern Peru and eastern Ecuador, and as far north as southeastern Colombia. They are notably absent from Bolivia’s Beni/Mamoré system, the Orinoco basin, and upper reaches above major waterfalls or rapids.

Their range includes wide, deep rivers and lakes, avoiding turbulent rapids and shallow areas. Despite overlapping with the Amazon River Dolphin (Inia geoffrensis), Tucuxis do not enter flooded forest habitats and stay closer to main river channels.

Diet

Tucuxis feed on more than 28 species of small, schooling freshwater fish, including members of the characid, sciaenid, and siluriform families. During the dry season, fish are concentrated in shrinking waterways, making them easier to catch. In contrast, flooding season disperses prey into forested areas, beyond the Tucuxi’s reach. They prefer to feed at river junctions and along confluences, where nutrient-rich waters concentrate fish populations.

Mating and Reproduction

Little is known about their mating behaviours. However, individuals appear to remain within familiar ranges for many years, and females likely give birth to a single calf after a long gestation. Calves are dependent for an extended period, learning complex navigation and foraging skills in rapidly changing river systems. The estimated generation length is 15.6 years.

FAQs

How many Tucuxis are left in the wild?

There is no comprehensive global population estimate. However, surveys from 1994–2017 in Brazil’s Mamirauá Reserve show a 7.4% annual decline—amounting to a 97% drop over three generations (da Silva et al., 2020). If this trend reflects the wider Amazon basin, the species could be on the brink of collapse.

How long do Tucuxis live?

Exact lifespans are unknown, but based on reproductive data and life history modelling, their generation length is around 15.6 years (Taylor et al., 2007), suggesting natural lifespans of 30–40 years.

How are palm oil and gold mining affecting Tucuxis?

Out-of-control palm oil expansion results in massive deforestation and run-off, clogging rivers with sediment and toxic agrochemicals. Gold mining adds mercury into aquatic ecosystems, where it bioaccumulates in fish—Tucuxis’ main food source. These pollutants cause reproductive harm, neurological damage, and immune system failure in dolphins.

Do Tucuxis make good pets and should they be kept in zoos?

Absolutely not. Tucuxis are intelligent, wild animals. Keeping them in captivity is deeply cruel and has no conservation benefit. Wild capture destroys families and can devastate local populations. If you care about these dolphins, say no to the exotic pet trade and the cruel zoo trade.

What habitats do they prefer?

Research in Peru’s Pacaya-Samiria Reserve shows that Tucuxis prefer river confluences and wide channels, particularly during the dry season when fish density is higher (Belanger et al., 2022). Feeding activity is especially concentrated in areas where whitewater rivers meet blackwater tributaries, creating nutrient-rich hotspots.

Take Action!

The Tucuxi is vanishing before our eyes. To protect them:

• Boycott palm oil and gold products linked to Amazon destruction.

• Choose fish-free and vegan products to reduce pressure on river ecosystems.

• Support indigenous-led conservation across the Amazon.

• Campaign for a ban on destructive dams, and the end of illegal fishing.

#BoycottPalmOil #Boycott4Wildlife #Vegan #BoycottMeat

Support the Tucuxi by going vegan and boycotting palm oil in the supermarket, it’s the #Boycott4Wildlife

Support the conservation of this species

This animal has no protections in place. Read about other forgotten species here. Create art to support this forgotten animal or raise awareness about them by sharing this post and using the #Boycottpalmoil #Boycott4Wildlife hashtags on social media. Also you can boycott palm oil in the supermarket.

Further Information

Belanger, A., Wright, A., Gomez, C., Shutt, J.D., Chota, K., & Bodmer, R. (2022). River dolphins (Inia geoffrensis and Sotalia fluviatilis) in the Peruvian Amazon: habitat preferences and feeding behaviour. Latin American Journal of Aquatic Mammals, 17(1). https://doi.org/10.5597/lajam00268

da Silva, V., Martin, A., Fettuccia, D., Bivaqua, L. & Trujillo, F. 2020. Sotalia fluviatilis. The IUCN Red List of Threatened Species 2020: e.T190871A50386457. https://dx.doi.org/10.2305/IUCN.UK.2020-3.RLTS.T190871A50386457.en. Accessed on 06 April 2025.

Monteiro-Neto, C., Itavo, R. V., & Moraes, L. E. S. (2003). Concentrations of heavy metals in Sotalia fluviatilis (Cetacea: Delphinidae) off the coast of Ceará, northeast Brazil. Environmental Pollution, 123(2), 319–324. https://doi.org/10.1016/S0269-7491(02)00371-8

How can I help the #Boycott4Wildlife?

Take Action in Five Ways

1. Join the #Boycott4Wildlife on social media and subscribe to stay in the loop: Share posts from this website to your own network on Twitter, Mastadon, Instagram, Facebook and Youtube using the hashtags #Boycottpalmoil #Boycott4Wildlife.

• Twitter
• Facebook
• Instagram
• WordPress
• YouTube
• Mail
• Mastodon

Enter your email address

Sign Up

2. Contribute stories: Academics, conservationists, scientists, indigenous rights advocates and animal rights advocates working to expose the corruption of the palm oil industry or to save animals can contribute stories to the website.

Wildlife Artist Juanchi Pérez

Read more

Mel Lumby: Dedicated Devotee to Borneo’s Living Beings

Read more

Anthropologist and Author Dr Sophie Chao

Read more

Health Physician Dr Evan Allen

Read more

The World’s Most Loved Cup: A Social, Ethical & Environmental History of Coffee by Aviary Doert

Read more

How do we stop the world’s ecosystems from going into a death spiral? A #SteadyState Economy

Read more

3. Supermarket sleuthing: Next time you’re in the supermarket, take photos of products containing palm oil. Share these to social media along with the hashtags to call out the greenwashing and ecocide of the brands who use palm oil. You can also take photos of palm oil free products and congratulate brands when they go palm oil free.

https://twitter.com/CuriousApe4/status/1526136783557529600?s=20

https://twitter.com/PhillDixon1/status/1749010345555788144?s=20

https://twitter.com/mugabe139/status/1678027567977078784?s=20

4. Take to the streets: Get in touch with Palm Oil Detectives to find out more.

5. Donate: Make a one-off or monthly donation to Palm Oil Detectives as a way of saying thank you and to help pay for ongoing running costs of the website and social media campaigns. Donate here

Learn about other animals endangered by palm oil and other agriculture

Frill-Necked Lizard Chlamydosaurus kingii

Keep reading

Grey Crowned Crane Balearica regulorum

Keep reading

Ecuadorean Viscacha Lagidium ahuacaense

Keep reading

Southern Pudu Pudu puda

Keep reading

Blue-streaked Lory Eos reticulata

Keep reading

Blonde Capuchin Sapajus flavius

Keep reading

Learn about “sustainable” palm oil greenwashing

Read more about RSPO greenwashing

A 2019 World Health Organisation (WHO) report into the palm oil industry and RSPO finds extensive greenwashing of palm oil deforestation and the murder of endangered animals (i.e. biodiversity loss)

#agriculture #amazon #amazonRainforest #amazonia #amazonian #animalCruelty #animals #boycott4wildlife #boycottgold #boycottmeat #boycottpalmoil #brazil #colombia #dams #deforestation #dolphin #dolphins #ecuador #endangered #endangeredSpecies #forgottenAnimals #gold #goldMining #goldmining #humanWildlifeConflict #hunting #hydroelectric #mammal #mining #palmOil #palmOilDeforestation #palmoil #peru #poaching #saynotogold #tucuxi #tucuxiSotaliaFluviatilis #vegan

Tucuxi Sotalia fluviatilis

Tucuxi Sotalia fluviatilis

IUCN Red List Status: Endangered

Location: #Brazil, #Peru, #Colombia, #Ecuador

Found throughout the #Amazon and Solimões River systems, including major tributaries and large lakes. Their range spans lowland rainforest areas of Brazil, southeastern Colombia, eastern Ecuador, and southern Peru.

The #Tucuxi, a small freshwater #dolphin of #Peru, #Ecuador, #Colombia and #Brazil now faces a dire future. Once common throughout the Amazon River system, they are now listed as #Endangered due to accelerating population declines. Threats include drowning in fishing nets, deforestation, mercury poisoning from gold mining, #palmoil run-off, oil drilling, and dam construction. A shocking 97% decline was recorded over 23 years in a single Amazon reserve. Without urgent action, this elegant and playful river dolphin could vanish from South America’s waterways. Use your wallet as a weapon against extinction. Choose palm oil-free, and #BoycottGold #BoycottPalmOil #Boycott4Wildlife

https://youtu.be/YYvh0S3ucUI

Playful and intelligent #Tucuxi are small #dolphins 🐬 of #Amazonian rivers in #Peru 🇵🇪 #Brazil 🇧🇷 #Ecuador 🇪🇨 and #Colombia 🇨🇴. #PalmOil and #GoldMining are major threats 😿 Fight for them! #BoycottGold #BoycottPalmOil #Boycott4Wildlife @palmoildetect https://palmoildetectives.com/2025/11/23/tucuxi-sotalia-fluviatilis/

Clever and joyful #Tucuxi are #dolphins 🐬💙 endangered by #hunting #gold #mining and contamination of the Amazon river 🇧🇷 for #PalmOil #agriculture ☠️ Use your wallet as a weapon and #BoycottGold 🥇🚫 #BoycottPalmOil 🌴🚫 #Boycott4Wildlife @palmoildetect https://palmoildetectives.com/2025/11/23/tucuxi-sotalia-fluviatilis/

Appearance & Behaviour

Tucuxis are often mistaken for their oceanic dolphin cousins due to their streamlined bodies, short beaks, and smooth, pale-to-dark grey skin. But these freshwater dolphins are wholly unique—adapted to life in winding river systems where water levels rise and fall dramatically with the seasons.

What sets them apart is their remarkable intelligence and tightly knit social groups. Tucuxis are playful and curious by nature. They leap from the water in graceful arcs, sometimes spinning mid-air.

The Tucuxi, sometimes called the ‘grey dolphin’ due to their uniform colouring, resembles a smaller oceanic dolphin, with a streamlined body and slender beak. Their colour varies from pale grey on the belly to darker grey or bluish-grey along the back.

They travel in small groups of two to six, displaying coordinated swimming patterns. In rare cases, they may form groups up to 26 individuals, particularly at river confluences. Known for their agility, they leap and spin in the water with a grace that belies their size. Tucuxis are particularly drawn to dynamic habitats like river junctions, where waters mix and fish gather.

Threats

• Widespread deforestation from palm oil plantations Palm oil plantations are rapidly expanding across the Amazon, clearing vast tracts of forest that stabilise riverbanks and filter water. This deforestation leads to increased sedimentation in rivers, altering flow patterns and reducing water clarity—conditions that directly disrupt the Tucuxi’s feeding and movement. Run-off from fertilisers and pesticides used in palm oil monocultures also poisons aquatic ecosystems, harming Tucuxis other Amazonian dolphin species and the fish they rely on.
• Toxic mercury pollution from gold mining Artisanal and illegal gold mining in the Amazon releases massive quantities of mercury into the water, contaminating fish and other aquatic organisms. Tucuxis, as top predators, ingest this mercury through their prey, which accumulates in their tissues and causes neurological damage, weakened immunity, and reproductive failure. Mercury exposure is one of the most insidious threats, as it persists in ecosystems long after mining has ceased.
• Incidental drowning in fishing nets Tucuxis are frequently caught and killed in gillnets and other fishing gear as bycatch. Tucuxis and other Amazonian dolphins often inhabit the same confluence zones and productive fishing grounds targeted by local communities, making entanglement almost inevitable. Many carcasses are never recovered, having either been discarded by fishers or lost to river currents, meaning actual mortality rates are likely far higher than reported.
• Deliberate hunting for use as fish bait Though illegal, Tucuxis continue to be targeted and killed in parts of Brazil, especially near the Mamirauá and Amana Reserves, where they are used as bait in the piracatinga (catfish) fishery. This brutal practice involves harpooning or netting dolphins and using their flesh to lure fish, often alongside the killing of Botos. Despite a national ban, weak enforcement and ongoing demand mean this threat persists in remote and lawless regions.
• Illegal fishing with explosives and toxins In certain areas, particularly in Brazil and Peru, fishers use home-made explosives and poisoned bait to stun or kill fish en masse. These destructive methods harm or kill Tucuxis who are attracted by the sudden appearance of dead or stunned prey. The concussive force of explosions and the ingestion of poisoned prey result in slow, agonising deaths for affected dolphins.
• Construction of hydroelectric dams Dams fragment Tucuxi populations by blocking their movement along river corridors, reducing access to feeding and breeding grounds. These projects alter seasonal water flow, raise water temperatures, and flood critical habitats—conditions that significantly disrupt dolphin ecology. Brazil alone has 74 operational dams in the Amazon basin, with over 400 more planned, posing a long-term existential threat to freshwater cetaceans.
• Run-off and contamination from palm oil, soy and meat agriculture In addition to habitat loss, palm oil and soy plantations along with cattle ranching generates enormous volumes of chemical-laden waste, which enters waterways and poisons aquatic life. This pollution affects Tucuxis both directly and indirectly—exposing them to harmful substances and killing off sensitive fish species. As plantations replace biodiverse forests, the ecosystem becomes less resilient, accelerating the decline of species like the Tucuxi.
• Bioaccumulation of heavy metals and industrial pollutants Tucuxis, like many river dolphins, suffer from exposure to persistent organic pollutants such as PCBs, DDT, and flame retardants, as well as heavy metals like lead and cadmium. These toxins accumulate in dolphin tissues over time, weakening their immune systems, interfering with reproduction, and making them more vulnerable to disease. Contaminants originate from industrial waste, agriculture, and mining, and are now widespread across the Amazon basin.
• Habitat fragmentation from infrastructure and oil development Roads, oil pipelines, and shipping corridors criss-cross many parts of the Tucuxi’s range, slicing through their habitat and increasing the risk of collisions with boats. These developments also bring noise pollution, which can interfere with echolocation and communication. Fragmentation leads to isolated subpopulations, reducing genetic diversity and making recovery more difficult.

Geographic Range

The Tucuxi inhabits the Amazon River basin, spanning: Brazil, Peru, Colombia, Ecuador These river dolphins occur as far west as southern Peru and eastern Ecuador, and as far north as southeastern Colombia. They are notably absent from Bolivia’s Beni/Mamoré system, the Orinoco basin, and upper reaches above major waterfalls or rapids.

Their range includes wide, deep rivers and lakes, avoiding turbulent rapids and shallow areas. Despite overlapping with the Amazon River Dolphin (Inia geoffrensis), Tucuxis do not enter flooded forest habitats and stay closer to main river channels.

Diet

Tucuxis feed on more than 28 species of small, schooling freshwater fish, including members of the characid, sciaenid, and siluriform families. During the dry season, fish are concentrated in shrinking waterways, making them easier to catch. In contrast, flooding season disperses prey into forested areas, beyond the Tucuxi’s reach. They prefer to feed at river junctions and along confluences, where nutrient-rich waters concentrate fish populations.

Mating and Reproduction

Little is known about their mating behaviours. However, individuals appear to remain within familiar ranges for many years, and females likely give birth to a single calf after a long gestation. Calves are dependent for an extended period, learning complex navigation and foraging skills in rapidly changing river systems. The estimated generation length is 15.6 years.

FAQs

How many Tucuxis are left in the wild?

There is no comprehensive global population estimate. However, surveys from 1994–2017 in Brazil’s Mamirauá Reserve show a 7.4% annual decline—amounting to a 97% drop over three generations (da Silva et al., 2020). If this trend reflects the wider Amazon basin, the species could be on the brink of collapse.

How long do Tucuxis live?

Exact lifespans are unknown, but based on reproductive data and life history modelling, their generation length is around 15.6 years (Taylor et al., 2007), suggesting natural lifespans of 30–40 years.

How are palm oil and gold mining affecting Tucuxis?

Out-of-control palm oil expansion results in massive deforestation and run-off, clogging rivers with sediment and toxic agrochemicals. Gold mining adds mercury into aquatic ecosystems, where it bioaccumulates in fish—Tucuxis’ main food source. These pollutants cause reproductive harm, neurological damage, and immune system failure in dolphins.

Do Tucuxis make good pets and should they be kept in zoos?

Absolutely not. Tucuxis are intelligent, wild animals. Keeping them in captivity is deeply cruel and has no conservation benefit. Wild capture destroys families and can devastate local populations. If you care about these dolphins, say no to the exotic pet trade and the cruel zoo trade.

What habitats do they prefer?

Research in Peru’s Pacaya-Samiria Reserve shows that Tucuxis prefer river confluences and wide channels, particularly during the dry season when fish density is higher (Belanger et al., 2022). Feeding activity is especially concentrated in areas where whitewater rivers meet blackwater tributaries, creating nutrient-rich hotspots.

Take Action!

The Tucuxi is vanishing before our eyes. To protect them:

• Boycott palm oil and gold products linked to Amazon destruction.

• Choose fish-free and vegan products to reduce pressure on river ecosystems.

• Support indigenous-led conservation across the Amazon.

• Campaign for a ban on destructive dams, and the end of illegal fishing.

#BoycottPalmOil #Boycott4Wildlife #Vegan #BoycottMeat

Support the Tucuxi by going vegan and boycotting palm oil in the supermarket, it’s the #Boycott4Wildlife

Support the conservation of this species

This animal has no protections in place. Read about other forgotten species here. Create art to support this forgotten animal or raise awareness about them by sharing this post and using the #Boycottpalmoil #Boycott4Wildlife hashtags on social media. Also you can boycott palm oil in the supermarket.

Further Information

Belanger, A., Wright, A., Gomez, C., Shutt, J.D., Chota, K., & Bodmer, R. (2022). River dolphins (Inia geoffrensis and Sotalia fluviatilis) in the Peruvian Amazon: habitat preferences and feeding behaviour. Latin American Journal of Aquatic Mammals, 17(1). https://doi.org/10.5597/lajam00268

da Silva, V., Martin, A., Fettuccia, D., Bivaqua, L. & Trujillo, F. 2020. Sotalia fluviatilis. The IUCN Red List of Threatened Species 2020: e.T190871A50386457. https://dx.doi.org/10.2305/IUCN.UK.2020-3.RLTS.T190871A50386457.en. Accessed on 06 April 2025.

Monteiro-Neto, C., Itavo, R. V., & Moraes, L. E. S. (2003). Concentrations of heavy metals in Sotalia fluviatilis (Cetacea: Delphinidae) off the coast of Ceará, northeast Brazil. Environmental Pollution, 123(2), 319–324. https://doi.org/10.1016/S0269-7491(02)00371-8

How can I help the #Boycott4Wildlife?

Take Action in Five Ways

1. Join the #Boycott4Wildlife on social media and subscribe to stay in the loop: Share posts from this website to your own network on Twitter, Mastadon, Instagram, Facebook and Youtube using the hashtags #Boycottpalmoil #Boycott4Wildlife.

• Twitter
• Facebook
• Instagram
• WordPress
• YouTube
• Mail
• Mastodon

Enter your email address

Sign Up

2. Contribute stories: Academics, conservationists, scientists, indigenous rights advocates and animal rights advocates working to expose the corruption of the palm oil industry or to save animals can contribute stories to the website.

Wildlife Artist Juanchi Pérez

Read more

Mel Lumby: Dedicated Devotee to Borneo’s Living Beings

Read more

Anthropologist and Author Dr Sophie Chao

Read more

Health Physician Dr Evan Allen

Read more

The World’s Most Loved Cup: A Social, Ethical & Environmental History of Coffee by Aviary Doert

Read more

How do we stop the world’s ecosystems from going into a death spiral? A #SteadyState Economy

Read more

3. Supermarket sleuthing: Next time you’re in the supermarket, take photos of products containing palm oil. Share these to social media along with the hashtags to call out the greenwashing and ecocide of the brands who use palm oil. You can also take photos of palm oil free products and congratulate brands when they go palm oil free.

https://twitter.com/CuriousApe4/status/1526136783557529600?s=20

https://twitter.com/PhillDixon1/status/1749010345555788144?s=20

https://twitter.com/mugabe139/status/1678027567977078784?s=20

4. Take to the streets: Get in touch with Palm Oil Detectives to find out more.

5. Donate: Make a one-off or monthly donation to Palm Oil Detectives as a way of saying thank you and to help pay for ongoing running costs of the website and social media campaigns. Donate here

Learn about other animals endangered by palm oil and other agriculture

Frill-Necked Lizard Chlamydosaurus kingii

Keep reading

Grey Crowned Crane Balearica regulorum

Keep reading

Ecuadorean Viscacha Lagidium ahuacaense

Keep reading

Southern Pudu Pudu puda

Keep reading

Blue-streaked Lory Eos reticulata

Keep reading

Blonde Capuchin Sapajus flavius

Keep reading

Learn about “sustainable” palm oil greenwashing

Read more about RSPO greenwashing

A 2019 World Health Organisation (WHO) report into the palm oil industry and RSPO finds extensive greenwashing of palm oil deforestation and the murder of endangered animals (i.e. biodiversity loss)

#agriculture #amazon #amazonRainforest #amazonia #amazonian #animalCruelty #animals #boycott4wildlife #boycottgold #boycottmeat #boycottpalmoil #brazil #colombia #dams #deforestation #dolphin #dolphins #ecuador #endangered #endangeredSpecies #forgottenAnimals #gold #goldMining #goldmining #humanWildlifeConflict #hunting #hydroelectric #mammal #mining #palmOil #palmOilDeforestation #palmoil #peru #poaching #saynotogold #tucuxi #tucuxiSotaliaFluviatilis #vegan

Grey Crowned Crane Balearica regulorum

Grey Crowned Crane Balearica regulorum

IUCN Status: Endangered

Location: Uganda, Kenya, Tanzania, Rwanda, Burundi, South Sudan, Democratic Republic of the Congo, Angola, Zambia, Malawi, Mozambique, Zimbabwe, Namibia, Botswana, South Africa, Eswatini, Lesotho

Found across wetlands, grasslands, and cultivated lands of eastern and southern Africa, this elegant bird is particularly emblematic in Uganda, where they feature on the national flag and coat of arms.

The Endangered Grey Crowned #Crane is one of #Africa’s most graceful, regal and recognisable #birds, adorned with a halo of golden feathers and traversing the skies and forests of #Uganda, #Tanzania, #DRC #Congo, #Namibia and more. Behind their dazzling beauty is a grim reality. Since 1985, their global population has crashed by over 59%, driven by relentless wetland destruction, tobacco, timber and cocoa agriculture, palm oil expansion, illegal egg collection, and wildlife trafficking. Once numbering over 100,000, now fewer than 25,000 mature individual birds remain alive. Urgent action is needed to save these majestic and irreplaceable birds before their calls fall silent across Africa’s skies. Help them every time you shop and #BoycottPalmOil #Boycott4Wildlife

https://youtu.be/P1IbL2cs-D4

The crowning jewel of #Uganda 🇺🇬 is their national #bird, the Grey-Crowned Crane, a majestic #songbird 🎶🐦👑 of the #peatlands 🌊 Sadly, this title hasn’t protected them from #PalmOil and hunting. #BoycottPalmOil 🌴⛔️ #Boycott4Wildlife @palmoildetect https://wp.me/pcFhgU-b7K

Once numbering over 100K, the most regal #bird 👑🐦 in #Tanzania #Congo #SouthAfrica and #Namibia hangs on for survival against Big #PalmOil 🌴 Big #Tobacco 🚬 and #Hydroelectric dams 🚜 Help them survive! #BoycottPalmOil #Boycott4Wildlife @palmoildetect https://wp.me/pcFhgU-b7K

Appearance & Behaviour

Standing a metre tall, the Grey Crowned Crane captivates with their stately grey plumage, snowy cheeks, bright red wattle and a dazzling aurora of stiff golden feathers. Their courtship rituals are equally enchanting, with pairs leaping, bowing, and calling in dazzling synchronised dances that can attract the attention of entire flocks. Their red gular sac inflates with a deep booming call, echoing through the savannah.

Unlike other crane species, Grey Crowned Cranes possess a long hind toe allowing them to roost in trees – a trait thought to be ancient among cranes. They often gather in large flocks outside of the breeding season and are known to adapt their behaviour to live increasingly close to human communities.

Threats

• Wetland destruction and degradation

Wetlands are vital breeding and foraging grounds for Grey Crowned Cranes. These habitats are being drained or converted for agriculture, tree plantations (particularly Eucalyptus), and dam construction. Overgrazing by livestock and increased sedimentation from deforestation also contribute to their degradation, leaving cranes with fewer safe places to breed and raise their chicks.

• Industrial palm oil and agricultural expansion

Agricultural land-use change, including the expansion of palm oil and food crop cultivation, is rapidly encroaching on Grey Crowned Crane habitat. In places like Kenya and Uganda, this leads to the fragmentation of once-continuous wetland and savannah ecosystems. The conversion of native grasslands into farmland eliminates critical feeding and nesting areas, directly impacting crane survival.

• Illegal capture for trade and egg collection

Chicks and eggs are frequently stolen from nests to be sold into the illegal pet trade or to captive facilities. This is especially common in Uganda, Tanzania, and Rwanda, where birds are trafficked domestically and exported to informal zoos or exotic collectors, particularly in the Middle East and Asia. The removal of young birds from the wild not only reduces the population but causes immense suffering and family disruption among cranes.

• Poisoning and persecution by farmers

In some areas, cranes are seen as agricultural pests due to their foraging on newly planted crops such as maize. As a result, they are deliberately poisoned or killed in retaliation. Poisoning incidents are widespread and often indiscriminate, also affecting other wildlife and entire crane flocks, with devastating consequences for local populations.

• Electrocution and collisions with power lines

As human infrastructure expands, cranes are increasingly flying into overhead power lines or being electrocuted while roosting on utility poles. This is particularly prevalent in Uganda, South Africa, and Tanzania. These deaths are preventable, but without mitigation measures like line markers or insulation, the threat will likely increase as rural electrification spreads.

• Climate change and extreme weather events

Rising temperatures and changes in rainfall patterns due to climate change across southern Africa are expected to reshape crane habitat. Droughts reduce water levels in breeding wetlands, while extreme weather events like hail or flooding can destroy nests and kill chicks. Long-term climate shifts may also affect the availability of the crops and invertebrates cranes rely on for food.

• Disturbance from human activity and land use conflicts

As human populations grow, cranes are forced to live closer to agricultural areas and settlements. This increases the likelihood of disturbance during the breeding season, leading to nest abandonment and lower chick survival. Intense land-use pressures mean that even protected areas are often not safe havens, with noise, hunting, and encroachment disrupting the cranes’ life cycle.

• Coal mining, peat extraction, hydroelectric dams

In South Africa and Rwanda, coal mining and proposed peat extraction projects threaten to destroy large areas of wetland and grassland habitat. These industries alter hydrological regimes, pollute waterways, and destroy nesting grounds. The cumulative impact of such extractive industries could irreversibly damage the remaining strongholds of the species.

• Avian influenza and disease outbreaks

A highly virulent strain of avian influenza (H5N1) has already killed dozens of Grey Crowned Cranes in South Africa. With increased human-wildlife contact and climatic stress, the risk of future outbreaks is likely to grow. Disease outbreaks can wipe out entire flocks and undermine conservation gains in areas where populations have recently stabilised.

Geographic Range

The Grey Crowned Crane is found in Angola, Botswana, Burundi, the Democratic Republic of the Congo, Eswatini, Kenya, Lesotho, Malawi, Mozambique, Namibia, Rwanda, South Africa, South Sudan, Tanzania, Uganda, Zambia, and Zimbabwe. Though widespread, the species is highly localised in wetland-dependent habitats, and their historical range is shrinking rapidly due to land-use changes and human encroachment.

Diet

Omnivorous and opportunistic, Grey Crowned Cranes forage in wetlands, fields, and grasslands. Their diet includes seeds, grass tips, grain, insects, frogs, lizards, crabs, and even snakes. They cleverly stamp their feet to flush out hidden insects and often forage alongside grazing animals, seizing disturbed prey with swift precision.

Mating and Reproduction

Breeding is timed with rainfall – during dry seasons in East Africa and wet seasons in southern regions. Pairs construct large, floating nests in tall wetland vegetation. Clutches contain 2–5 eggs, incubated by both sexes for about 30 days. Chicks are precocial, running soon after hatching and fledging between 56–100 days. In rare communal events resembling ‘weddings’, flocks may witness two young cranes pairing off to begin a new life together.

FAQs

How many Grey Crowned Cranes are left in the wild?

As of 2024, the global population is estimated between 30,200 and 36,900 individuals, equivalent to about 20,100–24,600 mature birds. This marks a catastrophic decline from over 100,000 in 1985 (Morrison, 2015; Wamiti et al., 2023). While some countries like Uganda, Rwanda, and Zambia are seeing modest population increases due to reintroductions, overall trends remain concerning.

How long do Grey Crowned Cranes live?

In the wild, Grey Crowned Cranes can live up to 22–25 years, while in captivity, they may reach 30 years or more with proper care (Archibald et al., 2020).

Why are Grey Crowned Cranes endangered?

The main drivers are habitat loss due to agriculture, deforestation, and infrastructure development, alongside illegal wildlife trade, poisoning, and disturbance from human activity. Out-of-control palm oil plantations and eucalyptus monocultures have also devastated wetland habitats across their range (Morrison & Dodman, 2019).

Do Grey Crowned Cranes make good pets?

Absolutely not. Keeping Grey Crowned Cranes as pets is cruel and contributes to their extinction. Many chicks and eggs are taken illegally from the wild, leading to population collapse and breaking up family groups. If you care about these birds, never support the exotic pet trade.

Take Action!

Boycott palm oil and products contributing to deforestation. Advocate for the protection and restoration of African wetlands. Support indigenous-led conservation and agroecology efforts that protect native grasslands and wildlife. Report illegal wildlife trade and pressure governments to enforce protective laws. #BoycottPalmOil #Boycott4Wildlife

Support the Grey Crowned Crane by going vegan and boycotting palm oil in the supermarket, it’s the #Boycott4Wildlife

Support the conservation of this species

This animal has no protections in place. Read about other forgotten species here. Create art to support this forgotten animal or raise awareness about them by sharing this post and using the #Boycottpalmoil #Boycott4Wildlife hashtags on social media. Also you can boycott palm oil in the supermarket.

Further Information

Amulike, B. B., Griffin, C. R., & Fuller, T. K. (2023). Conservation-related knowledge, interactions, and attitudes of local people toward Grey Crowned-Cranes in Tanzania. Ecology and Society, 18(2). https://doi.org/10.5751/ACE-02467-180203

BirdLife International. 2024. Balearica regulorum. The IUCN Red List of Threatened Species 2024: e.T22692046A240198049. https://dx.doi.org/10.2305/IUCN.UK.2024-2.RLTS.T22692046A240198049.en. Accessed on 02 April 2025.

Wamiti, W., & Kimani, D. K. (2020). Kenya’s first countrywide census of Grey Crowned Crane Balearica regulorum, February–March 2019. Bulletin of the African Bird Club, 27(2), 210–218. https://www.researchgate.net/publication/344680836_Kenya’s_first_countrywide_census_of_Grey_Crowned_Crane_Balearica_regulorum_February-March_2019

Wamiti, S. W. (2022). Factors Affecting Population, Nesting Habits, and Conservation of Grey Crowned Crane in Lake Ol’ Bolossat Basin, Kenya. University of Nairobi. Retrieved from https://erepository.uonbi.ac.ke/handle/11295/163228

How can I help the #Boycott4Wildlife?

Take Action in Five Ways

1. Join the #Boycott4Wildlife on social media and subscribe to stay in the loop: Share posts from this website to your own network on Twitter, Mastadon, Instagram, Facebook and Youtube using the hashtags #Boycottpalmoil #Boycott4Wildlife.

• Twitter
• Facebook
• Instagram
• WordPress
• YouTube
• Mail
• Mastodon

Enter your email address

Sign Up

2. Contribute stories: Academics, conservationists, scientists, indigenous rights advocates and animal rights advocates working to expose the corruption of the palm oil industry or to save animals can contribute stories to the website.

Wildlife Artist Juanchi Pérez

Read more

Mel Lumby: Dedicated Devotee to Borneo’s Living Beings

Read more

Anthropologist and Author Dr Sophie Chao

Read more

Health Physician Dr Evan Allen

Read more

The World’s Most Loved Cup: A Social, Ethical & Environmental History of Coffee by Aviary Doert

Read more

How do we stop the world’s ecosystems from going into a death spiral? A #SteadyState Economy

Read more

3. Supermarket sleuthing: Next time you’re in the supermarket, take photos of products containing palm oil. Share these to social media along with the hashtags to call out the greenwashing and ecocide of the brands who use palm oil. You can also take photos of palm oil free products and congratulate brands when they go palm oil free.

https://twitter.com/CuriousApe4/status/1526136783557529600?s=20

https://twitter.com/PhillDixon1/status/1749010345555788144?s=20

https://twitter.com/mugabe139/status/1678027567977078784?s=20

4. Take to the streets: Get in touch with Palm Oil Detectives to find out more.

5. Donate: Make a one-off or monthly donation to Palm Oil Detectives as a way of saying thank you and to help pay for ongoing running costs of the website and social media campaigns. Donate here

Learn about other animals endangered by palm oil and other agriculture

Grey Crowned Crane Balearica regulorum

Keep reading

Ecuadorean Viscacha Lagidium ahuacaense

Keep reading

Southern Pudu Pudu puda

Keep reading

Blue-streaked Lory Eos reticulata

Keep reading

Blonde Capuchin Sapajus flavius

Keep reading

Savage’s Glass Frog Centrolene savagei

Keep reading

Learn about “sustainable” palm oil greenwashing

Read more about RSPO greenwashing

A 2019 World Health Organisation (WHO) report into the palm oil industry and RSPO finds extensive greenwashing of palm oil deforestation and the murder of endangered animals (i.e. biodiversity loss)

#animals #Bird #birdflu #birds #Birdsong #Boycott4wildlife #BoycottPalmOil #Burundi #climateChange #Congo #Crane #dams #deforestation #DemocracticRepublicOfCongo #DRC #electrocution #EndangeredSpecies #ForgottenAnimals #humanWildlifeConflict #hunting #hydroelectric #illegalPetTrade #Kenya #Lesotho #Malawi #Namibia #PalmOil #palmOilDeforestation #palmoil #peatlands #poaching #Rwanda #song #songbird #songbirds #SouthAfrica #SouthAfrica #Tanzania #tobacco #Uganda #wildlifetrade

Khoảng 13h30 ngày 7/10, đập thủy điện Bắc Khê 1 tại xã Tân Tiến, tỉnh Lạng Sơn đã bị vỡ. Thiệt hại ban đầu ước tính khoảng 50 tỷ đồng.

#vỡđập #thuỷđiện #LạngSơn #thiệthại
#dam #dambreach #hydroelectric #disaster #LangSon #Vietnam

https://vtcnews.vn/vo-dap-thuy-dien-bac-khe-1-gay-thiet-hai-ban-dau-50-ty-dong-ar969813.html

Khoảng 13h30 ngày 7/10, đập thủy điện Bắc Khê 1 tại xã Tân Tiến, tỉnh Lạng Sơn đã bị vỡ. Thiệt hại ban đầu ước tính khoảng 50 tỷ đồng.

#vỡđập #thuỷđiện #LạngSơn #thiệthại
#dam #dambreach #hydroelectric #disaster #LangSon #Vietnam

https://vtcnews.vn/vo-dap-thuy-dien-bac-khe-1-gay-thiet-hai-ban-dau-50-ty-dong-ar969813.html

Kyrgyz Energy Minister Warns of Imminent Winter Power Shortages

https://web.brid.gy/r/https://timesca.com/kyrgyz-energy-minister-warns-of-imminent-winter-power-shortages/

Kyrgyz Energy Minister Warns of Imminent Winter Power Shortages

https://fed.brid.gy/r/https://timesca.com/kyrgyz-energy-minister-warns-of-imminent-winter-power-shortages/

Kyrgyz Energy Minister Warns of Imminent Winter Power Shortages

https://web.brid.gy/r/https://timesca.com/kyrgyz-energy-minister-warns-of-imminent-winter-power-shortages/

Kyrgyz Energy Minister Warns of Imminent Winter Power Shortages

https://web.brid.gy/r/https://timesca.com/kyrgyz-energy-minister-warns-of-imminent-winter-power-shortages/

How to Convert a Drain into a Hydropower Facility - Over on his YouTube channel [Construction General] shows us how to convert a drain... - https://hackaday.com/2025/08/16/how-to-convert-a-drain-into-a-hydropower-facility/ #gravitationwatervortexpowerplant #hydroelectric #greenhacks #hydropower #drainage

How to Convert a Drain into a Hydropower Facility https://hackaday.com/2025/08/16/how-to-convert-a-drain-into-a-hydropower-facility/ #gravitationwatervortexpowerplant #hydroelectric #greenhacks #hydropower #drainage

More visual memories from recent multi-day sailing adventures around the #SalishSea 😊

#SailAway #CoastalBC #Adventures #PacificNorthwest #Cascadia #PNW #BritishColumbia #PacificOcean #sailboat #wildlife #AbandonedPlaces #landscape #seascape #Summer #marine #nautical #LifeIsForLiving #MakingMemories #hydroelectric #BChistory #BCHydro

More visual memories from recent multi-day sailing adventures around the #SalishSea 😊

#SailAway #CoastalBC #Adventures #PacificNorthwest #Cascadia #PNW #BritishColumbia #PacificOcean #sailboat #wildlife #AbandonedPlaces #landscape #seascape #Summer #marine #nautical #LifeIsForLiving #MakingMemories #hydroelectric #BChistory #BCHydro

More visual memories from recent multi-day sailing adventures around the #SalishSea 😊

#SailAway #CoastalBC #Adventures #PacificNorthwest #Cascadia #PNW #BritishColumbia #PacificOcean #sailboat #wildlife #AbandonedPlaces #landscape #seascape #Summer #marine #nautical #LifeIsForLiving #MakingMemories #hydroelectric #BChistory #BCHydro

More visual memories from recent multi-day sailing adventures around the #SalishSea 😊

#SailAway #CoastalBC #Adventures #PacificNorthwest #Cascadia #PNW #BritishColumbia #PacificOcean #sailboat #wildlife #AbandonedPlaces #landscape #seascape #Summer #marine #nautical #LifeIsForLiving #MakingMemories #hydroelectric #BChistory #BCHydro

More visual memories from recent multi-day sailing adventures around the #SalishSea 😊

#SailAway #CoastalBC #Adventures #PacificNorthwest #Cascadia #PNW #BritishColumbia #PacificOcean #sailboat #wildlife #AbandonedPlaces #landscape #seascape #Summer #marine #nautical #LifeIsForLiving #MakingMemories #hydroelectric #BChistory #BCHydro