African Wild Ass
African Asses are now classed as Critically Endangered on the IUCN Red List. As few as 70 individuals have been recorded in Ethiopia and Eritrea, though up to 600 could exist in these two countries.
The African Wild Ass is an ancestor of the domestic donkey. It's threats include interbreeding with domestic donkeys, hunting for meat and medicinal purposes and disappearance of habitat and competition with commercial livestock. You can find out more at the IUCN website.