Ancient 'Hypercarnivores' Could Take Down Young Mammoths

Nearly a million years ago, a cave hyena could have taken down a 5-year-old mastodon weighing more than a ton.

October 27, 2015
10:00 AM EDT
Biologists have found that a pack of hypercarnivores, such as saber-toothed cats (shown here fighting with adult Colombian mammoths over a young mammoth carcass), could have taken down juveniles of Earth's largest herbivores. | Mauricio Anton