Sloths appear to have life figured out, and once the details are revealed, being envious makes sense. These tree-dwelling ...

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 ...

Sloths are fascinating creatures known for their slow movements and their almost entirely arboreal lifestyle. These sluggish mammals spend the majority of their lives hanging from the branches of ...

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 ...

Spare a minute from your frenetically busy day to consider the quite different life of the three-toed sloth. It is true that the sloth, which lives in the jungles of Central and South America, would ...

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 ...

These are the coolest and most unusual moths in the Smithsonian’s collections. Margaret Osborne Moths often don’t get the love they deserve, but they’re fascinating and important creatures. Not only ...