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S3:E15 - The Ghostly Origins of the Big Cats

The Ghostly Origins of the Big Cats

S3:E15
2019 IMDb

All of today’s big cat species evolved less than 11 million years ago and yet their evolutionary history remains an almost total mystery. But scientists have recently discovered a major clue about the origins of the big cats, one that could provide a whole new starting place for solving this puzzle.