Donkey the environment. They may compete with livestock and native animals for resources, spread weeds and diseases, foul or damage watering holes and cause erosion. Few species of ass exist in the wild. The African wild ass, "Equus africanus", has two subspecies, the Somali wild ass, "Equus africanus somaliensis", and the Nubian wild ass, "Equus africanus africanus", the principal ancestor of the domestic donkey. Both are critically endangered. Extinct species include the European ass, "Equus hydruntinus", which became extinct during the Neolithic, and the North African wild ass, "Equus africanus atlanticus", which became extinct in Roman times. There are five subspecies
Equus (comics) to them. Eventually, Superman tracks all the victims of the Vanishing to Metropia, an artificial paradise within the Phantom Zone, where he again encountered Equus, who has allied himself with General Zod, who is on a campaign to destroy Metropia. Equus, whose chestplate bears the Roman numeral "III", was the third version of a program to create super-soldiers. Equus, or "Vee Three" as he was designated, is said to be psychotic, due to the enlargement of the amygdalae to which the OMAC candidates were subjected. Equus III later appears in "Titans/Outsiders Secret Files 2005", stored alongside the Wildebeest, who had