There's no denying it—sloths are simply one of the most adorable animals on the planet. But they're more than just lovable bundles of slow-moving fur. In fact, sneaking around in that fur are ...

Defecating exposes sloths to predators on the jungle floor. An unexpected ally benefits, and returns the favor. A brown-throated three-toed sloth peers over a tree's buttress root while defecating on ...

The researchers found that three-toed sloths can harbor more phoretic moths than their two-toed counterparts because of greater concentrations of inorganic nitrogen and higher algal biomass in their ...

Add Yahoo as a preferred source to see more of our stories on Google. For centuries, people encountering sloths for the first time have reacted by ridiculing them. In 1526, Spanish conquistador ...

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 ...