Sloths are renowned for being slow-moving, lazy creatures that cover only two metres every minute and sleep for up to 20 hours a day. In fact, they move so slowly, algae and funghi have enough time to ...

While humans wouldn’t be very happy to find that organisms were growing on their skin, particularly fungi, algae, and insects, it works out pretty well for sloths. Sloths may be hosting entire ...

"First, we have to understand where colours in animals come from," says Kjetil L. Voje. He is an evolutionary biologist and ...

Sloths are famous for their exceptionally slow motor skills and petite faces that seem to beam with an almost natural smile. However, less commonly known is the unusual bathroom habit of certain sloth ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Sloths are cute. Take this video of baby sloths being washed: Until ...

Biologists puzzle over the fact that sloths descend from their trees to poop. The behavior might support a rare mutualism with algae and moths that live in the creatures' fur. Humans generally don’t ...

Once a week, three-toed sloths slowly descend from the leafy forest canopy to poop on the ground. Why do these sluggish mammals go on such a long and potentially dangerous journey instead of just ...

Among the greatest mysteries of the tropical rainforest are the pooping habits of sloths. Really. Those furry, slow-moving tree dwellers almost never descend from the safety of the tree tops—except ...