This video reveals why sloths move so slowly that algae is able to grow directly on their fur. Viewers learn how this surprising relationship helps camouflage the animals and support tiny organisms ...

When you picture the jungle, your mind might jump to roaring tigers, monkeys swinging wildly from tree to tree, or bright ...

A sloth in its natural habitat in Costa Rica, where sloth populations have decreased in the past decade, according to Rebecca Cliffe, lead author of the research. Bernd Dittrich via Unsplash In the ...

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 ...

The Tulsa Zoo is home to thousands of animals, but some of the most popular residents may be harder to spot during a visit. Sloths spend much of their day hanging in trees, conserving energy and ...