Sloths are slow-moving, arboreal mammals living in Central and South America. The two types of sloths are the two-toed sloth and the three-toed sloth. Three-toed sloths are strictly herbivorous, while ...

Defecating exposes sloths to predators on the jungle floor. An unexpected ally benefits, and returns the favor. A brown-throated three-toed sloth peers over a tree's buttress root while defecating on ...

And because sloths have among the slowest metabolisms ever recorded in animals, the climb down the tree and back up ...