Dr. Rebecca Cliffe is a Sloth Conservation Biologist and Founder and Director of the Sloth Conservation Foundation. I've been following her on Instagram for a while because she always shares ...

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 ...

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 ...

For International Sloth Day, learn about the scientific clues preserved in petrified poop Jack Tamisiea Several large chunks of fossilized poop that prehistoric ground sloths left in an Arizona cave ...