🛷 TIL: Sled #dogs have helped people cross the #Arctic for millennia, and a #study suggests that work left marks in their #bones.
Modern sled dogs have leg bones about 6% shorter than those of #wolves, #spitzes, and other dogs, which lowers their center of gravity and boosts pulling power.
👉 https://www.popsci.com/environment/sled-dog-legs-evolution/
#sleddogs #evolution #archaeology #science #animals #research #history #biology #cognition #education #inuit