The extinct giant ground sloths were some of the only mammals that had digestive systems large enough to process the huge avocado seeds whole. They feasted on the fruit and then dispersed the ...

Different sloth groups can be easily identified by the number of long, curved claws on their forelimbs. The two-toed sloths, as the name suggests, have two claws on their front limbs, while the ...

Leisurely by nature, the sloth’s slowness is just one way this amazing animal is built to survive. Here’s a look at some other fascinating facts about these tired little tree-dwellers!

A version of this article was originally published in 2018; it has been updated for 2024. This article was originally ...

The sloth is the world's slowest mammal, so sedentary that algae grows on its furry coat. The plant gives it a greenish tint that is useful camouflage in the trees of its Central and South ...

The Hoffman's two-toed sloth is one of the world's slowest mammals—so sedentary that algae grows on its furry coat. The plant gives it a greenish tint that is useful camouflage in the trees of ...

New discoveries suggest ancient people first arrived in the New World much earlier than scientists once thought.

To mark the BBC Radio 4 documentary The Power of Sloth, zoologist and author of Life in the Sloth Lane, Lucy Cooke, unleashes her inner sloth to discover why being lazy could actually be the ...

The Racine Zoo welcomed a new member to its animal family. The zoo announced Missy, a Linnae's two-toed sloth now calls ...

Paleontologist Thaís Pansani standing in front of a reconstructed giant ground sloth skeleton at the Smithsonian National Museum of Natural History. AP SAO PAULO (Associated Press ...