Equus africanus somaliensis Somali wild ass
Equus ferus f. caballus Domesticated horse
Equus ferus przewalskii Przewalski's horse
Equus grevyi Grévy's zebra
Equus hemionus kulan Turkmenian kulan
Equus hemionus onager Onager
Equus kiang holdereri Eastern kiang
Equus quagga boehmi Grant's zebra
Equus quagga borensis Maneless zebra
Equus quagga burchellii Burchell's zebra
Equus quagga chapmani Chapman's zebra
Equus zebra hartmannae Hartmann's mountain zebra