Ancient sloths lived in trees, on mountains, in deserts, boreal forests and open savannahs. These differences in habitat are primarily what drove the wide difference in size between sloth species. But ...

1. There are two groups of sloths in the world: Those with two claws on their front limbs and those with three claws on all four of their limbs. In total, six sloth species are found in the Americas, ...

Imagine a sloth. You probably picture a medium-sized, tree-dwelling creature hanging from a branch. Today's sloths—commonly ...

Sloths aren’t just adorable, they’re actually pretty impressive, believe it or not. Some of the world’s biggest creatures spend their lives high above the ground, which feels almost impossible when ...

Every October 20, the world slows down (at least in spirit) for International Sloth Day. It’s the perfect excuse to celebrate ...

It turns out the sloth, a notoriously slow moving animal, can actually move pretty fast. Particularly when a baby sloth’s life is dangling in the balance — quite literally. A tour group in Costa Rica ...

Look closely up in the trees of a shade-grown cacao plantation in eastern Costa Rica, and you’ll see an array of small furry faces peering back at you. Those are three-toed sloths that make their ...

Doreen and Brian Cronin aren't related — as far as they know. They first stumbled across each other on Facebook: two Cronins, both working in the world of children's books — Doreen as an author and ...

DOREEN CRONIN: My name is Doreen Cronin, and I am a children's book author and have been for almost 25 years. BRIAN CRONIN: And I am Brian Cronin. I'm an illustrator, and I've been doing that since ...