Sloths appear to have life figured out, and once the details are revealed, being envious makes sense. These tree-dwelling mammals have survived for millions of years by doing things their own way, and ...

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 ...

Three-toed sloths descend from the canopy about once a week to defecate, risking predation during one of the most dangerous moments of their lives. A single sloth bowel movement can account for up to ...

Sloths always seem to have a relaxed smile on their lips, making them appear friendly and cute. The natural habitat of these leisurely tree dwellers is the tropical rainforests of Central and South ...