Oh god. I remember hearing some years ago about the ancient ancestors of guinea pigs... bison-sized, roaming in packs. Looking at the claw-marks, clearly from a

Oh god. I remember hearing some years ago about the ancient ancestors of guinea pigs... bison-sized, roaming in packs. Looking at the claw-marks, clearly from a far more enormous sloth, really puts the relatively puny Guineazilla into perspective.