Defecating exposes sloths to predators on the jungle floor. An unexpected ally benefits, and returns the favor. A brown-throated three-toed sloth peers over a tree's buttress root while defecating on ...

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 ...

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 ...

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 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 ...

Footage of one of STRI's Bocas del Toro Research Station's resident sloths climbing the trees at the Station. The star of this video is a female Three-toed sloth (Bradypus variegatus). Video by: J.P.