What is "two-toed sloth"

n. One of two species of large mammals in genus ''Choloepus'', last survivors of family Megalonychidae, known for their slowness of movement.

1. n. relatively small fast-moving sloth [syn: unau, Choloepus hoffmanni]

2. relatively small fast-moving sloth [syn: unau, Choloepus didactylus]

Choloepus is a genus of mammals of Central and South America, within the family Megalonychidae consisting of two-toed sloths. The two species of Choloepus (which means "lame foot"), Linnaeus's two-toed sloth (Choloepus didactylus) and Hoffmann's two-toed sloth (Choloepus hoffmanni), are the only surviving members of the family Megalonychidae.