Persian onager | Smithsonian’s National Zoo and Conservation Biology Institute https://nationalzoo.si.edu/animals/persian-onager
The Persian onager — also called the Asiatic wild ass, the Persian wild ass and the Persian zebra — is the largest of the four subspecies of Asiatic wild ass (the most horse-like ass species). It’s native to the desert of Iran and has a pale, sandy-red colored coat.
In addition to the dorsal stripe, onagers also have a shoulder stripe.