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

Ever since French naturalist Georges-Louis Leclerc, Comte de Buffon, first described the sloth in 1749, the planet’s slowest moving mammal has had its work cut out for it. “These sloths are the lowest ...

Valentino, a Linnaeus’s two-toed sloth, is fed by trainer Christa Gaus during the media day at the National Aviary on Friday, June 17, 2016, in Pittsburgh. The young sloth weighed just over a pound at ...

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 ...

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 ...