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The World's Cats, vol. News to Save the Earth. But bonobos are quite tolerant, perhaps because they use sex to divert attention and to defuse tension. Homosexual behavior in orangutans is not an artifact of captivity or contact with humans. A Journal of Lesbian and Gay Studies. Researchers at Rikkyo University in Tokyo found 20 homosexual pairs at 16 major aquariums and zoos in Japan. For homosexuality in humans, see Homosexuality. Vesey-Fitzgerald observed homosexual behaviours in all 12 British bat species known at the time: From Wikipedia, the free encyclopedia.
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Homosexual behavior in animals

According to Bruce Bagemihl , when describing animals, the term homosexual is preferred over gay , lesbian , and other terms currently in use, as these are seen as even more bound to human homosexuality. Both male and female lions have been seen to interact homosexually. Animal Homosexuality and Natural Diversity , emphasizes that there are no anatomical or endocrinological differences between exclusively homosexual and exclusively heterosexual animal pairs. A pair of male Magellanic penguins who had shared a burrow for six years at the San Francisco Zoo and raised a surrogate chick, split when the male of a pair in the next burrow died and the female sought a new mate. The report was considered too shocking for public release at the time, and was suppressed. Arthropods crab spider scorpion beetle insect butterfly Cephalopods octopus Cnidaria sea anemone jellyfish coral Echinoderms Gastropods apophallation love dart Sponge Worms earthworm penis fencing. Such interactions between males have been found to be more frequent than heterosexual coupling. The Merck Manual of Veterinary Medicine appears to consider homosexuality among sheep as a routine occurrence and an issue to be dealt with as a problem of animal husbandry.
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Retrieved 25 March The endocrine blocking feature of mercury has been suggested as a possible cause of sexual disruption in other bird species. Cambridge University Press , Cambridge. More than 20 species of bat have been documented to engage in homosexual behavior. Certain species of gecko also reproduce by parthenogenesis. Sexual orientation and science Ethology Animal sexuality. New York, New York: Exclusive homosexuality with mounting and anal penetration in this solitary species serves no apparent adaptive function. Views Read View source View history.
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Description:The encounters are analogous to heterosexual bouts, one male often extending his trunk along the other's back and pushing forward with his tusks to signify his intention to mount. Steroid hormones give hyenas a head start". A Journal of Lesbian and Gay Studies. An October study by Dr. Males produce alarm pheromones to reduce such homosexual mating. So, even though asexual whiptail lizards populations lack males, sexual stimuli still increase reproductive success. It should also be noted that the results of this study have not been confirmed by other studies. The sexual behavior of non-human animals takes many different forms, even within the same species, though homosexual behavior is best known from social species.

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