10/24/2010 05:12 am ET | Updated May 25, 2011

Homosexual Birds: New Study On Mating And Pairing Says Its Ok For Birds To Be Gay

After all, in evolutionary terms same-sex mating seems to reduce the birds' chances of reproductive success. But that's not necessarily so, according to a new study. In a given species, the sex with lighter parental duties tends to mate more, period -- whether with the same or the opposite sex.

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