Muskoxen have outlived wooly mammoths and sabertooth tigers. Efforts to repopulate the Arctic bring hope the prehistoric beasts can survive our latest warm spell. Muskoxen have populated the planet for at least 2.5 million years, crossing the Bering Strait land bridge into North America 2 million years ago. Other than … Continue reading After Surviving Two Ice Ages, The Muskox is Bouncing Back From Near Extinction