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The concluding comment in this article that both sexes preferred unsmeared birds doesn’t show any support for the researchers’ contention that non-UV-blocking smears didn’t impact the sexual behavior of birds. M.J. RaichykCincinnati, Ohio The researchers had noticed that birds preferred companions of the opposite sex with fluorescent feathers still glowing. But might this just be […]

Parrots will fluoresce for sex

A budgerigar's head literally glows for its mate, and both males and females of this parrot species prefer to court radiant partners.

Female pipefish face toughest odds

In the world of pipefish, which are cousins of sea horses, sexual selection may reverse, wherein females battle each other for male favor through sexual selection.