How Horses Took Over North America (Twice)
Season 1 Episode 53 | 9m 8s
The ancestors of modern horses became so successful that they spread all over the world, to Europe, Asia, South America, and Africa. But in their native range of North America, they’ll vanish for 10,000 years. Until another strange mammal brings them back.
Aired: 08/14/18Video has closed captioning.