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Ancient DNA Reveals The 'American Cheetah' Wasn't a Cheetah at All : ScienceAlert

The Ice Age movies get one major thing right: Climate shifts and glaciation caused profound animal migrations and evolutionary adaptations – though it's uncertain if any of them resulted from an acorn-burying saber-toothed squirrel splitting a continent. During the Pleistocene epoch, circa 2.58 million to 11,700 years ago, or what's colloquially called the most recent 'ice age', North America hosted an awe-inspiring assortment of impressive animals. Giant bears that stood up to 12 feet tall poop