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The extinct American cheetah was never a cheetah and some of them ate almost nothing but fish

For decades, the extinct Ice Age predator known as the American cheetah was assumed to be a close relative of the cheetahs ...

For decades, scientists thought North America had a cheetah; DNA links it to pumas 2.6M years ago

In a groundbreaking revelation, ancient DNA analysis has clarified that Miracinonyx trumani is more closely related to pumas ...