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Horses can breed with Przewalski's horse to produce fertile hybrids. Mule, a cross of female horse and a male donkey. Hinny, a cross between a female donkey and a male horse. Mules and hinnies are examples of reciprocal hybrids. Kunga, a cross between a donkey and a Syrian wild ass. Zebroids. Zeedonk or zonkey, a zebra/donkey cross. Zorse, a ...
Hybrid turaco A Catalina macaw - a blue-and-yellow macaw × scarlet macaw hybrid. A bird hybrid is a bird that has two different species as parents. The resulting bird can present with any combination of characteristics from the parent species, from totally identical to completely different.
The breed was officially recognised as a rare native breed on 8 January 2020. The Minister for Agriculture, Michael Creed said that "the granting of rare breed status to the Droimeann represented a significant boost for the breed, offering both recognition and incentives to farmers in their efforts to preserve the Droimeann".
Cooperative breeding entails one or more individuals, usually females, acting as "helpers" to one or a few dominant female breeders, usually helpers' kin. This sociosexual system is rare in primates, so far demonstrated among Neotropical callitricids, including marmosets and tamarins. [45]
The rare, second-generation hybrid was called a litigon. Rudhrani produced seven litigons in her lifetime. Some of these reached impressive sizes - a litigon named Cubanacan weighed at least 363 kg (800 lb), stood 1.32 m (4 ft 4 in) at the shoulder, and was 3.5 m (11 ft) in total length.
Monogamy in mammals is rather rare, only occurring in 3–9% of these species. [ 3 ] [ 4 ] [ 5 ] A larger percentage of avian species are known to have monogamous relationships (about 90%), [ 6 ] but most avian species practice social but not genetic monogamy in contrast to what was previously assumed by researchers. [ 7 ]
The breeding of ligers and other Panthera hybrids has come under fire from animal rights activists and organisations, who argue that the health problems experienced by these animals makes their creation immoral. [32] [33] Despite these assertions of immorality, some unlicensed zoos still breed ligers for profit. [34]
The hybridization of macaws in the wild is less common than in captivity due to natural barriers and mating behaviors, although a few rare cases have been recorded. One example was the natural hybridization of a Spix's and Illiger's macaw recorded in Conservation Genetics (2001), which demonstrated two species of macaws producing offspring.