Giant sloth was vegetarian: Diet of fossil megatherium decoded

Scientists have examined the diet of the extinct Giant Sloth Megatherium. Based on analyses of the collagen in the fossil bones, the researchers concluded in their study that Megatherium subsisted on an exclusively vegetarian diet. Until recently, there had been much speculation about the food habits of these elephant-sized, ground-dwelling animals.
Strange & Offbeat: Fossils & Ruins News — ScienceDaily