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 ...

Despite their similar names, the two types of sloths belong to different families and have different evolutionary histories. Two-toed sloths are slightly larger and more active, while the three-toed ...

A cooling, drying climate turned sloths into giants – before humans potentially drove the huge animals to extinction. Today’s sloths are small, famously sluggish herbivores that move through the ...

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.

Adult Hoffmanns two-toed sloth (Choloepus hoffmanni) coastal mangroves, Panama, Central America Correction appended Jan. 23, 2014 Among the greatest mysteries of the tropical rainforest are the ...

This article was published in Scientific American’s former blog network and reflects the views of the author, not necessarily those of Scientific American Everybody loves sloths, and whenever we talk ...