Wild ass

The wild asses (Asinus) are a subgenus of single toed grazing ungulates. Its species are:
 * African wild ass Equus africanus
 * Atlas wild ass Equus africanus atlanticus
 * 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 kiang Equus kiang holdereri
 * Southern kiang Equus kiang polyodon
 * Western kiang Equus 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