Among the greatest mysteries of the tropical rainforest are the pooping habits of sloths. Really. Those furry, slow-moving tree dwellers almost never descend from the safety of the tree tops—except ...

Meet the world’s first sloth detective dog, Keysha. Meet the world’s first sloth detective dog, Keysha —trained to sniff out sloth poop and empower the world’s first ever sloth census!

Sloths, like all living things, need to defecate, which usually happens once per week.

While humans wouldn’t be very happy to find that organisms were growing on their skin, particularly fungi, algae, and insects, it works out pretty well for sloths. Sloths may be hosting entire ...

One of the most popular animals around is the sloth. They are so relaxed and laid back, and they always look like they're smiling. They're also very slow, which makes getting anywhere a long process.

Ancient sloths lived in trees, on mountains, in deserts, boreal forests and open savannahs. These differences in habitat are primarily what drove the wide difference in size between sloth species.