What is the name of the only existing species of wild horse?

mustang
3924
Przewalski's horse
4941
zebra
396
Arabian
461
Nicolai Przewalski found the only species of wild horse in Central Asia in 1881 and so it was named Przewalski's horse. Most "wild" horses today, such as the American Mustang or the Australian Brumby descended from domesticated animals. In contrast, Przewalski's horse has never been domesticated.
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