sentences:  Rising on its powerful hind legs and using its tail to form a tripod, "Megatherium" could support its massive body weight while using the curved claws on its long forelegs to pull down branches with the choicest leaves.This sloth, like a modern anteater, walked on the sides of its feet because its claws prevented it from putting them flat on the ground.Although it was primarily a quadruped, its trackways show that it was capable of bipedal locomotion.