Alex, born 21 April , is apparently the first zonkey in Barbados. In general, the two animals must belong to the same genus and share the same number of chromosomes. Not all of these animals survive to adulthood, and they are at risk for being born with genetic defects. He is the son of Stripes, a zebra stallion and Sandy, a grey Arabian mare. Grevy's zebra has been crossed with the Somali wild ass in the early 20th century. The difference in chromosome number is most likely due to horses having two longer chromosomes that contain similar gene content to four zebra chromosomes.
In , a cross between a zebra and a donkey was foaled at the Jerusalem Zoo. Donkeys are closely related to zebras and both animals belong to the horse family. In spite of this difference, viable hybrids are possible, provided the gene combination in the hybrid allows for embryonic development to birth. A donkey has 62 chromosomes; the zebra has between 32 and 46 depending on species. In general, the two animals must belong to the same genus and share the same number of chromosomes. Similarly, zorses have a strong temperament and can be aggressive. I think it may be dangerous — on many levels. Zebroid Eclyse Zorses combine the zebra striping overlaid on colored areas of the hybrid's coat. Zebroids are preferred over zebra for practical uses, such as riding, because the zebra has a different body shape from a horse or donkey , and consequently it is difficult to find tack to fit a zebra. In the movie Racing Stripes , an animated zorse appears in the alternate ending. Usually, a zebra stallion is paired with a horse mare or donkey mare, but in , a Burchell's zebra named Allison produced a zonkey called Alex sired by a donkey at Highland Plantation in the parish of Saint Thomas, Barbados. During the South African War, the Boers crossed Chapman's zebras with a ponies, to produce animals for transport work, chiefly for hauling guns. Types[ edit ] Zebroid is the term generally used for all zebra hybrids. The result was a female hybrid which resembled both parents. They called it a "hamzab". For animals to cross breed, they must share the same number of chromosomes and also belong to the same genus. The movie I'm Reed Fish features a zorse named Zabrina. It was colored pink, blue, purple. The experiment was discontinued when zoos became more conservation-minded. Zorses are bred in Africa and used for trekking on Mount Kenya ;  the zebra parent gives resistance to the nagana pest disease. In Roald Dahl 's book Going Solo , several other characters and he speculate on how nice it would be to own a zorse, although they admit it would be difficult to train. The rarer reverse pairing is sometimes called a horbra, hebra, zebrinny, or zebret. A zorse more accurately a zony was born at Eden Ostrich World, Cumbria , England, in , after a zebra was left in a field with a Shetland pony. However, a zebroid is usually more inclined to be temperamental than a purebred horse and can be difficult to handle. Zorses are most often bred using solid-color horses.
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