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 ...

Zebras, rhinos, and capybaras often have their pesky ticks and other parasites pecked off by the hungry birdies perched on their backs. Now, for the first time, researchers have observed brown jays ...

Sloths are famous for their exceptionally slow motor skills and petite faces that seem to beam with an almost natural smile. However, less commonly known is the unusual bathroom habit of certain sloth ...

Sloths have a reputation for laziness, but these easy-going mammals could be the world's best recyclers, suggests a new study that finds the poop of three-toed sloths attracts moths that colonize ...

A tree-dwelling sloth’s climb down to ground level for its weekly bathroom break may not be pointless daintiness. The trip is risky and (for a sloth) energetically expensive. Yet the effort could be ...