SAO PAULO (AP) — Sloths weren’t always slow-moving, furry tree-dwellers ... humans to arrive in the Americas soon killed off these giant ground sloths through hunting, along with many other ...

Archeologists in Mexico have found fossils of extinct animals in a cenote in Umán, Yucatán, including those of a giant sloth ...

The rib bone of an extinct giant sloth discovered in January at the future Dollar Tree site in Rogersville is now a part of ...

They feasted on the fruit and then dispersed the seeds far and wide. All tree sloths that we see today evolved from giant ground sloths — there were thought to be over 80 different types with ...

So, in the daytime, a sloth actually can't see anything 'cause it's too bright. If you can't see where you're going, you can't run around because you're going to fall out the tree. Narrator ...

The zoologist who first named the species did think the bears were related to tree sloths because of their long, thick claws and unusual teeth but later research found that the two animals had no ...

On the second voyage of HMS Beagle, Charles Darwin collected thousands of plant, animal, rock and fossil specimens, including 13 species of fossil mammals. Four of these were species of ground sloth, ...