Grevy's Zebra headshot. Zebra, Zebras are several species of African equids (horse family) united by their distinctive black and white stripes. Their stripes come in different patterns, unique to each individual. There are three species of zebras: the plains zebra, the Grévy's zebra and the mountain zebra. various anthropogenic factors have had a severe impact on zebra populations, in particular hunting for skins and habitat destruction. Grévy's zebra and the mountain zebra are endangered.