Wild ass
The ungulates. Its species are:
- African wild ass Equus africanus
- Nubian wild ass Equus africanus africanus (likely ancestor of the domestic donkey)
- Somali wild ass Equus africanus somaliensis
- Kiang (Tibetan wild ass, khyang, or gorkhar) Equus kiang
- Eastern kiangEquus kiang holdereri
- Southern kiangEquus kiang polyodon
- Western kiangEquus kiang kiang
- Onager (Asiatic wild ass) Equus hemionus
- Indian wild ass (khur), Equus hemionus khur
- Mongolian wild ass (khulan), Equus hemionus hemionus
- Persian onager (gur), Equus hemionus onager
- Syrian wild ass (hemippe), Equus hemionus hemippus (extinct)
- Turkmenian kulan (kulan), Equus hemionus kulan