The Ghostly Origins of the Big Cats
Season 2 Episode 21 | 7m 32s
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.
Aired: 05/31/19Video has closed captioning.