Nature is full of surprises, and few creatures prove this better than the sloth. We think of sloths as sluggish, lazy animals that should have vanished long ago in a world full of predators. Yet, sloths have not only survived but thrived for over 60 million years in environments teeming with life and apex hunters.
These slow-moving tree-loving animals hide a fascinating collection of evolutionary tricks that defy conventional logic. In this gallery, discover why these unique creatures are masters of survival and adaptation, and how they are a vital part of the ecosystem. Above all, you'll find the answer to the all-important question: why are they so slow? Click to find out!