Take a peek at the world's slowest mammal, so sedentary that algae grows on its furry coat. Read on to learn about life in ...

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 ...

Sloths look simple from a distance: slow mammals, quiet days in trees, same route, same rhythm. That picture is wrong in useful ways. The group itself is more diverse than most people assume, with two ...