Zonkey - Zebra x Donkey



< Contents Works Cited >
Zonkey - Zebra x Donkey

This hybrid (Equus asinus × Equus burchelli) is known as a zonkey (or zedonk, zebrass, zeedonk, zebradonk, zebrinny, zenkey, zebronkey, or deebra). Usually a zebra stallion is paired with a she-ass, but the reciprocal cross is sometimes produced. For example, in 2005, an E. burchellii mare named Allison produced a zebrass called Alex sired by an ass on the island of Barbados.

Hybrids have striping on their legs, but usually not on their bodies. Individuals with body striping may represent backcrosses to zebra. In general, the stripes are narrower in hybrids than in the pure zebra parent. Grevy’s zebras, with their big heads, large and rounded ears, and thick, erect manes look more like mules than do other zebras. Indeed, the website of the National Zoo (Washington) asserts that many experts view Grevy’s zebras as striped asses, not closely related to zebras (NATZ). Z. grevyi is also geographically intermediate between asses and zebras and is capable of hybridization with both. These facts suggest Z. grevyi as a PHP of crossing between asses and zebras, but the matter should be further investigated.

Darwin (1868, vol. II, p. 42) says, "Many years ago I saw in the Zoological Gardens a curious

triple hybrid, from a bay mare, by a hybrid from a male ass and female zebra. This animal when old had hardly any stripes; but I was assured by the superintendent, that when young it had shoulder-stripes, and faint stripes on its flanks and legs. I mention this case more especially as an instance of the stripes being much plainer during youth than in old age.

See figure in Geoffroy Saint-Hilaire and Cuvier (1824-1842, vol. 3, pl. 315).

A skull of a hybrid of this type is in the British Museum (Gray 1873, p. 38).


Ewart 1898, 1899; Flower 1929a (p. 253); Grubb 1981; International Zoo Yearbook 1960, 1961, 1962 (p. 232), 1968 (p. 304), 1969 (p. 232), 1971 (p. 279), 1972 (p. 332); King et al. 1966; Riley 1911 (p. 229); Treus et al. 1963; von Lehmann 1982. See also The Bartlett Society's page on hybrids.

Ape-human hybrids >>

Table of contents >>

Bibliography >>

Internet citations >>

Online Biology Dictionary >>

Some orangutan-human-hybrid humor from Bill Maher:

“Donald Trump is suing comedian Bill Maher after he proved to Maher that he was not the spawn of an orangutan, and Maher failed to pay $5 million for that information.”

Maher had an ongoing joke that until he saw a birth certificate proving otherwise, he believed that Donald Trump is the offspring of Trump's mother and an orangutan. In January, he told Jay Leno that he would donate $5 million to charity if Trump could produce a birth certificate proving his true parentage.”

Watch the video >>

Zonkey - Zebra x Donkey - © Macroevolution.net

By the same author: Handbook of Avian Hybrids of the World, Oxford University Press (2006).

Most shared on Macroevolution.net:

Zonkey - Zebra x Donkey - © Macroevolution.net