![]() ![]() Behavior varied, but all of the animals were intermediate, with some coyote-like traits, including howling…their small number in relation to the possible number, suggests some decrease in fecundity but might also have resulted from crowding or other sub-optimal conditions inducing prenatal mortality. latrans male) and composed of “doglike to somewhat coyote like animals. Mengel says the second-generation hybrids that he evaluated were more varied than were hybrids of the first generation (mongrel C. ![]() This phenomenon of combining the two parents’ voices occurs in a wide variety of mammalian crosses, for example, the songs of hybrids between the White-handed Gibbon and Pileated Gibbon combine characteristics of the songs of both their parents. The former, it overlaps almost equally strongly with the latter…The trend away from the typical coyote and towards both lupus and familiaris, already apparent in Minnesota thamnos, has progressed considerably farther in the New England population…These comparisons suggest the possibility that the divergence from the typical coyote pattern, culminating in the New England population, is, in part at least, caused by some mixing with wolf as well as with dog stocks.Ĭoyote-dog hybrids are partially fertile in both sexes, that is, while they are generally not as fertile as either pure dogs or coyotes, coydogs of both sexes have produced offspring.Ĭoydogs howl like coyotes but also bark like dogs. 8) say that “ thamnos is intermediate between latrans and the New England population and while it overlaps strongly with Regarding a population, thamnos, in Minnesota, treated as a race of the coyote, and a highly variable hybrid population in New England, Lawrence and Bossert ( 1969, p. 2013), that is, the direction of the cross is usually male dog × female coyote. Evaluation of the question with SNPs revealed the same bias ( Monzón et al. (2013) found that many male coyotes in eastern populations have dog-like Y chromosomes, which suggests that the cross occurs more often in the opposite direction, probably due to the rut constraint mentioned above. However, a study conducted by Wheeldon et al. (2003) report that dog mtDNA haplotypes are widespread in southeastern coyote populations, which shows that female dogs do cross with male coyotes. Recently, coyotes even managed to colonize Long Island and interbred with dogs there ( Nagy et al. For example, a single hunter killed 25 coyote-dog hybrids in Kansas between 19 (Gier 1957, p. To fertilize a bitch in heat, a male coyote must be in rut.Īs to natural hybridization, coydogs occur widely in North America and are relatively common. This cross is reversible, but it usually involves a male dog, given that any male dog can fertilize a female coyote in heat. A coydog (Coyote × German Shepherd) Image: Wikimedia, Lyta79Ĭoyote-dog hybrids are known as coydogs. ![]()
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