The extinct giant ground sloths were some of the only mammals that had digestive systems large enough to process the huge avocado seeds whole. They feasted on the fruit and then dispersed the ...

Pooping while hanging upside down might seem like an easier option, but sloths are incredibly fussy when it comes to personal hygiene. In the wild, they are known to make a slow, arduous journey from ...

The sloth is the world's slowest mammal, so sedentary that algae grows on its furry coat. The plant gives it a greenish tint that is useful camouflage in the trees of its Central and South ...