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 ...

Scientists have analyzed ancient DNA and compared more than 400 fossils from 17 natural history museums to figure out how and why extinct sloths got so big. Most of us are familiar sloths, the ...

The Northern and Southern Maned Sloths may look very similar from the outside, but their genomes reveal different stories: the two species have faced very distinct conditions in Brazil’s Atlantic ...

The Smithsonian's National Zoo is home to three Linnaeus's two-toed sloths and shares some sloth basics, but here are three lesser-known sloth facts. 1. The Smithsonian has a collection of fossilized ...

Sloths are the ideal representation of calm: slow-moving, sleepy, and perfectly at ease in the treetops. But life in the wild is never as peaceful as it seems and sloths are part of the ongoing food ...

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.