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 ...

Massive Megatherium sloths once stood as large as Asian elephants, ripping foliage off treetops with prehensile tongues like today's giraffes. "They looked like grizzly bears but five times larger," ...

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 ...

Most of us are familiar with sloths, the bear-like animals that hang from trees, live life in the slow lane, take a month to digest a meal and poop just once a week. Their closest living relatives are ...

A cooling, drying climate turned sloths into giants – before humans potentially drove the huge animals to extinction. Today’s sloths are small, famously sluggish herbivores that move through the ...

Today, sloths are slow-moving, tree-dwelling creatures that live in Central and South America and can grow up to 2.5 feet long. Thousands of years ago, however, some sloths walked along the ground, ...

ORLANDO, Fla. — Here’s your excuse to sloooooowwww dowwwnnnn this Friday: It’s International Sloth Day. To celebrate the holiday, we compiled 9 things to know about the sluggish tree-dwellers, ...

The Salisbury Zoo has welcomed two new members to its sloth family. Two baby sloths were born to two different mothers in July. We get an update on how the tree-dwellers are doing.