Sloths may be hosting entire ecosystems in their thick, dense fur, and algae growth on sloths can grow so great that it tinges their fur green. The video.

Sloths have one of the slowest metabolisms in the animal kingdom – and it shows. In this episode, we explain how their incredibly slow movement allows algae to grow on their fur, creating a ...

The algae also provide the sloth with a mobile snack. Yes, sloths will eat the algae growing out of their fur. A fascinating, albeit unsavory, symbiotic relationship! 1.

DID you know that sloths sleep up to 15 hours a day? And even when they are awake, they barely move at all and when they do, they are mind-numbingly slow.

On several occasions, the cameras photographed a shaggy brown bear identified by researchers as an “extremely rare” leucistic sloth bear. Sloth bears are a vulnerable species found across India.