Reconstruction of the South American giant ground sloth Mylodon darwinii feeding on the carcass of the hoofed native herbivore Macrauchenia Jorge Blanco
Giant ground sloths have often been portrayed as gentle giants of the ice age. Much of their anatomy, from their flat molars to their vat-like guts, seems consistent with a diet centered around the Pleistocene salad bar. But now there is evidence that some giant ground sloths had more cosmopolitan tastes that incorporated flesh.
The crucial clues come from isotopes of nitrogen tied to particular amino acids preserved in the fur …
source: newscientist.com