Onager known as the Persian onager. Until this day, the species share the same name, "onager". The onager is a member of the subgenus "Asinus", belonging to the genus "Equus" and is classified under the family Equidae. The species was described and given its binomial name "Equus hemionus" by German zoologist Peter Simon Pallas in 1775. The Asiatic wild ass, among Old World equids, existed for more than 4 million years. The oldest divergence of "Equus" was the onager followed by the zebras and onwards. A new species called the kiang ("E. kiang"), a Tibetan relative, was previously considered to be
Breed type carriage) that are felt to indicate excellence in members of a group" and is different from a "type of animal", meaning a variety or breed of domesticated animal. Breed type Breed type is the whole of the characteristics that are typical of a breed of domesticated animals. Breed type may include details of form or color that are not directly related to the economic value of the animal, and are usually defined in breed standards. "Examples [of "breed type"] include the shape of horns and the color pattern in cattle, the shape of ear in swine, and the color of