Buffaloes and zebras occur in two or three varieties.
His food consists of all the larger herbivorous animals of the country in which he resides - buffaloes, antelopes, zebras, giraffes or even young elephants or rhinoceroses.
It is displayed to-day among the antelopes and to a limited degree among the zebras and rhinoceroses of Africa, a continent which exhibits a survival of the Miocene and Pliocene conditions of the northern hemisphere.
Though sometimes assembling in troops of from thirty to fifty, and then generally associating with zebras or with some of the larger antelopes, ostriches commonly, and especially in the breeding season, live in companies of not more than four or five, one of which is a cock and the rest are hens.
Darwini to be the constant companion of guanacos (Lama huanaco) - just as in Africa the ostrich seeks the society of zebras and antelopes.