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 ...

Andrew Raymer told Newsweek that he and his 13-year-old son recently had "an experience of a lifetime" when they got an up-close encounter with a sloth. Sloths have recently become increasingly ...