“Unnatural” Nature, Immoral Butterflies: The Great Cover-Up of Animal Homosexuality

Back in 2000, an eminent and otherwise respectable biologist declared that except for a few instances observed among primates, there was no evidence of homosexuality among animals:

This was breathtakingly inaccurate. Just the previous year another biologist, Bruce Bagemihl,had published a book summarizing previously published scientific papers which described homosexual behaviour in over 300 species of animals and birds (listing dozens of papers for each), and also listing additional species of reptiles, amphibians, fish and even insects – over a thousand species in all, and tens of thousands of peer-reviewed articles. The first recorded observations of animal homosexuality were two millenia ago, by the ancient Greeks. In modern times, the first formal publication of scientific observations go back over 150 years. Photographic evidence of male swan couples has existed since the mid-nineteenth century.

Even this illustration, of male beetles doing it, was published as long ago as 1896:


Male Scarab Beetles, 1896


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