Adult Hoffmanns two-toed sloth (Choloepus hoffmanni) coastal mangroves, Panama, Central America Correction appended Jan. 23, 2014 Among the greatest mysteries of the tropical rainforest are the ...

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 ...