On February 8, the San Diego Zoo celebrated the birth of a new baby sloth. The adorable little guy, born to sloth mama Xena, ...

Sloths even sleep in trees, and they sleep a lot—some 15 to 20 hours every day. Even when awake they often remain motionless. At night they eat leaves, shoots, and fruit from the trees and get ...

Even when awake they often remain motionless, and two-toed sloths are generally silent. At night they eat leaves, shoots, and fruit from the trees and get almost all of their water from juicy plants.

The reason sloths are so slow is because of their slow metabolisms. Their diet consists exclusively of leaves, buds, twigs, and fruit from Cecropia trees. Some of the food they eat can take up to a ...