Why it's OK for birds to be gay

Monday, August 23, 2010 - 16:42 in Biology & Nature

In greylag geese, nearly a fifth of all long-term couples are composed of two males. They're not alone: More than 130 bird species are known to engage in homosexual behavior at least occasionally, a fact that has puzzled scientists. Bird - Species - Greylag Goose - Homosexuality - Biology

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