Zebra herbs, twigs, leaves and bark. Their digestive systems allow them to subsist on diets of lower nutritional quality than that necessary for other herbivores. Female zebras mature earlier than the males, and a mare may have her first foal by the age of three. Males are not able to breed until the age of five or six. Mares may give birth to one foal every twelve months. She nurses the foal for up to a year. Like horses, zebras are able to stand, walk and suckle shortly after they are born. A zebra foal is brown and white instead of
Zebra zeedonk, zony, and zorse. In certain regions of Kenya, plains zebras and Grévy's zebra coexist, and fertile hybrids occur. The Hagerman horse ("Equus simplicidens") is sometimes referred to as the American zebra due to perceived similarities to the plains zebra, and sometimes depicted as striped. However, consensus appears to be that it wasn't particularly closely related to either "Hippotigiris" nor "Dolichohippus", nor is there unambiguous evidence that it had stripes. The common plains zebra is about at the shoulder with a body ranging from long with a tail. It can weigh up to , males being slightly bigger than females.