Sloths are the ideal representation of calm: slow-moving, sleepy, and perfectly at ease in the treetops. But life in the wild ...

Sloths make modern life look exhausting. While the rest of the world rushes around, these tree-dwellers adhere to a simple routine that has been effective for millions of years. Behind their sleepy ...

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 appear to have life figured out, and once the details are revealed, being envious makes sense. These tree-dwelling mammals have survived for millions of years by doing things their own way, and ...

The charismatic and slow three-toed sloth is just one of many animals species that Smithsonian scientists study, from within our vast collections to live animals at our research centers and National ...