Elephant Hybrids

Family Elephantidae

Mammalian Hybrids




Note: Many people suppose that elephant hybrids are known only between the African and Indian elephants. But there are several additional elephant hybrids known from crosses between extinct taxa. In addition, one proposed hybrid, though it has not yet been created, would involve a cross between an extant and an extinct elephant, via fertilization of the former with the frozen preserved sperm of the later (see Elaphas maximus × Mammuthus primigenius).

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Abbreviation Key >>

Reported elephant hybrids:

Elephas hybrid Motty, the elephant hybrid born at Chester Zoo in 1978 (photo courtesy of Derek G. Lyon/Chester Zoo) Enlarge

Elephas maximus Indian Elephant
(Elephas maximus)

Loxodonta africana African Elephant
(Loxodonta africana)

Elaphas maximus [Asian Elephant]
× Loxodonta africana (♂) [African Elephant] CHR. DRS. At about 9:00 a.m. on July 11, 1978, a female Asian elephant, "Sheba," at Chester Zoo (UK) gave birth to a hybrid male calf. He was named Motty (after George Mottershead, the founder of the Chester Zoo, who had died two months before). The father was an African bull, "Jumbolino." No one had realized that Sheba was pregnant. The calf caused quite a stir in the zoological community because it had been believed that interbreeding of this sort was impossible. Indeed, Sheba’s keepers did not believe she could possibly be pregnant, right up to the time of parturition. Motty mixed the traits of African and Asian elephants. His head, ears and trunk were much like those of an African elephant, except for the trunk tip, which had only one “finger” instead of two, as does the Asian elephant’s. His spinal column was convex like an Asian, but shaped more like the African elephant above the shoulder. His forefeet had five toenails but his hind feet had only four. Motty was six weeks premature, underweight, and unable to stand until he was three days old. Sadly, he died of necrotizing enterocolitis and E. coli septicemia after only ten days. His skin was preserved and is presently in storage in the Natural History Museum, London. Anonymous 1979; Chester Zoo News and Guide, July 1978; International Zoo Yearbook 1980; Bartlett Society.
× Mammuthus primigenius (♂) [Woolly Mammoth] One method of resurrecting the extinct woolly mammoth, proposed by Japanese scientist Akira Iritani, is to use sperm from a frozen male mammoth to fertilize Asian elephant eggs to produce a half-mammoth, half-elephant hybrid. The resulting hybrid embryo would then be placed in an Asian elephant mother and allowed to develop. If one of the resulting hybrids were female and partially fertile, it, too, could be fertilized with mammoth sperm, and repetition of this procedure over several generations would produce a creature that was nearly all mammoth.

Loxodonta africana [African Elephant]
See also: Elaphas maximus.
× Loxodonta cyclotis [Forest Elephant] ENHI. CON: Africa. Nowak (1999, p. 998) says, “populations intermediate to africana and cyclotis occupy a wide band of transitional vegetation in West Africa (Roth and Douglas-Hamilton 1991). Though these elephants have usually been treated as conspecific, they are sometimes treated separately.

Columbian Mammoth Columbian Mammoth (M. columbi) Artist: R. B. Horsfall.

Woolly Mammoth Woolly Mammoth (M. primigenius) Artist: Charles R. Knight.

Mammuthus jeffersonii DNA evidence indicates that this specimen in the American Museum of Natural History, formerly treated as a species (Mammuthus jeffersonii), is probably a hybrid between Mammuthus columbi and M. primigenius. Image: Ryan Somma, Wikimedia.

Mammuthus meridionalis Southern Mammoth (M. meridionalis) Image: H. Osborn.

Mammuthus columbi [Columbian Mammoth]
× (♂) Mammuthus primigenius [Woolly Mammoth] ENHR. This is probably the best documented of the various extinct elephant hybrids. In the sub-glacial regions of North America, a hybrid zone between these elephants extended from southern British Columbia to Virginia.Mammuthus primigenius occurred to the north of Mammuthus columbi, which was primarily a savanna and grassland inhabitant, as is the modern African elephant. The remains of numerous intermediate mammoths (probable hybrids) have been found in regions corresponding to the former contact zone (Agenbroad 2005). In addition, some animals have been identified that morphologically were woolly mammoths, but had M. columbi DNA (which indicates that the sire in this cross was M. primigenius). Both morphological and DNA evidence indicates that the fossil specimen in the American Museum of Natural History on which the taxon Mammuthus jeffersonii (Jefferson Mammoth) was based, is probably this hybrid. It combines traits of both these probable parents and it is intermediate in size, about as big as a bull African elephant. Columbian mammoths were much larger than woolly mammoths. Agenbroad 2005; Enk et al. 2011, 2016; Fisher 2001; Poinar et al. 2016.

Mammuthus jeffersonii [Jefferson Mammoth] See: Mammuthus columbi × Mammuthus primigenius.

Note: According to Wikipedia, the Southern Mammoth (Mammuthus meridionalis) lived in Europe and central Asia 2.5–1.5 million years ago.

Mammuthus meridionalis [Southern Mammoth]
× Mammuthus trogontherii [Steppe Mammoth] ENHR. CON: Formerly, in Europe and Asia. Fossils indicate extensive hybridization occurred in regions of contact. Lister and Sher 2001, 2015.

Mammuthus primigenius [Woolly Mammoth]
See: Elaphas maximus, Mammuthus columbi.
× Mammuthus trogontherii [Steppe Mammoth] ENHR. CON: Formerly, in the sub-glacial regions of Eurasia. Analysis of fossils shows that many intermediates (probable hybrids) between these two extinct forms existed in Siberia. Lister and Sher 2001, 2015.

Mammuthus trogontherii [Steppe Mammoth] See: Mammuthus meridionalis; M. primigenius.

Mammoth hybridization In this picture the arrows indicate reported mammoth hybridization pairings.
dog-cow hybrid A dog-cow hybrid?

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Bibliography >>

Biology Dictionary >>

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

Elephant Hybrids - © Macroevolution.net

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