Homosexual behavior in animals - Wikipedia, the free encyclopedia


** Homosexual behavior in animals **

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For homosexuality in humans, see Homosexuality.
Further information: List of animals displaying homosexual behavior
Two female domestic dogs engaging in sex play.

*Homosexual behavior in animals* is same-sex behavior, homosexual or
bisexual, among non-human species. Such behaviors include sexual activity,
courtship, affection, pair bonding, and parenting among same-sex animal
pairings. Homosexual behavior has been observed in close to 1,500 species,
ranging from primates to gut worms, and is well documented for 500 of
them.^[1]^[2] The sexual behavior of non-human animals takes many different
forms, even within the same species. The motivations for and implications
of these behaviors have yet to be fully understood, since most species have
yet to be fully studied.^[3] According to Bagemihl, "the animal kingdom
[does] it with much greater sexual diversity â€“ including homosexual,
bisexual and nonreproductive sex â€“ than the scientific community and
society at large have previously been willing to accept."^[4]

Research indicates that various forms of same-sex sexual behavior are found
throughout the animal kingdom.^[5] A new review made in 2009 of existing
research showed that same-sex behavior is a nearly universal phenomenon in
the animal kingdom, common across species.^[6] Homosexual behavior is best
known from social species. According to geneticist Simon Levay in 1996,
"Although homosexual behavior is very common in the animal world, it seems
to be very uncommon that individual animals have a long-lasting
predisposition to engage in such behavior to the exclusion of heterosexual
activities. Thus, a homosexual orientation, if one can speak of such thing
in animals, seems to be a rarity."^[7] One species in which exclusive
homosexual orientation occurs, however, is that of domesticated sheep
(/Ovis aries/)

Source: en.wikipedia.org/wiki/Homosexual_behavior_in_animals

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