Today, there are only two sloth species, but historically, there were dozens of them, including one with a bottle-nosed snout that ate ants and another...
Paleontologists in Argentina have discovered what they say is one of the oldest-known fossils of the ground sloth Megatherium.
Life reconstruction of Megatherium....
Sloths once roamed the Americas, ranging from cat-sized animals that lived in trees all the way up to giant ground sloths. The only species we know today,...
Giant sloths, massive animals that lived in the Americas during the Ice Age, subsisted on an exclusively plant-based diet, according to an isotopic analysis...
