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28-Aug-2016 16:36

Thus homosexual behavior has been given a number of terms over the years.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.Additionally, boosting the levels of sex hormones during an animal's pregnancy appears to increase the likelihood of it birthing a homosexual offspring.Researchers found that disabling the fucose mutarotase (Fuc M) gene in laboratory mice – which influences the levels of estrogen to which the brain is exposed – caused the female mice to behave as if they were male as they grew up.The true extent of homosexuality in animals is not known.While studies have demonstrated homosexual behavior in a number of species, Petter Bøckman, the scientific advisor of the exhibition Against Nature?Homosexual behavior in animals is sexual behavior among non-human species that is interpreted as homosexual or bisexual.This may include sexual activity, courtship, affection, pair bonding, and parenting among same-sex animal pairs.

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Ultimately, empirical support from comprehensive endocrinological studies exist for both interpretations.

However, if the definition of "homosexual behavior" is made to include animals that participate in both same-sex and opposite-sex mating activities, hormonal differences have been documented among key sex hormones, such as testosterone and estradiol, when compared to those who participate solely in heterosexual mating.