Sloths might move at a glacial pace, but their biology is anything but boring. In this captivating exploration of one of nature’s most unusual creatures, we dive deep into the insane science behind ...

Massive Megatherium sloths once stood as large as Asian elephants, ripping foliage off treetops with prehensile tongues like today's giraffes. "They looked like grizzly bears but five times larger ...

Welcome to Nat Geo Your Shot: National Geographic’s global community for aspiring visual storytellers. Find the community on Instagram @NatGeoYourShot and follow along for hashtag challenges ...

A sloth reaching out with what appears to be a smile on his face. Image by jdross75 via Depositphotos. Sloths play a crucial ecological role within the rainforest. Their diet aids in the growth and ...

Silhouettes stock illustrations, vectors & clip art There's nothing like a good silhouette. iStock's library of quality royalty-free silhouette vectors is enough to satisfy even the most discerning ...

They nurse their young at breast-like teats, have a somewhat human face when seen head-on ... The hyena’s hunched posture and distinctive silhouette, visible at dusk and dawn, also reinforced the ...