These petite and impossibly slow sloths have found that the ocean offers a safe and speedy way to get around. Melissa Breyer was Treehugger’s senior editorial director before moving to Martha Stewart.

Sloths aren’t the most impressive swimmers. When today’s two- and three-toed sloths take a dip, they bob along in an awkward doggy paddle. But there used to be sloths that evolution had specifically ...

1. All sloths are excellent swimmers. They instinctively know how to swim once they hit the water. This ability makes a lot of sense, because the tropical environments where they live include various ...