The living sloths comprise 6 species of medium-sized mammals that live in Central and South America belonging to the families Megalonychidae and Bradypodidae, part of the order Pilosa. Most scientists call the sloth suborder Folivora, while some call it Phyllophaga. Both names mean "leaf-eaters"; the first is derived from Latin, the second from ancient Greek. This article mainly deals with the living tree-dwelling sloths. Until geologically recent times, large ground sloths such as Megatherium… (More on Sloth)