Giant North American "hell pigs" may have munched on bones around 30 million years ago, while their smaller counterparts ripped through softer material, like flesh, new research finds.
The "hell pigs," scientifically known as Archaeotherium ("ancient beast" in Greek), were a group of pig-like creatures that could be as tall as humans while standing on four legs and potentially weigh more than 2,000 pounds (1,000 kilograms).
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