In Animal Kingdom, Darwin's Theory of Sex Differences Still Holds Up (2 of 4) (IMAGE)

American Association for the Advancement of Science (AAAS)

In Animal Kingdom, Darwin's Theory of Sex Differences Still Holds Up (2 of 4)

Caption

A bee-eater Merops apiaster pair copulating. This material relates to a paper that appeared in the Feb. 12, 2016, issue of Science, published by AAAS. The paper, by T. Janicke at Unité Mixte de Recherche in Paris, France, and colleagues was titled, 'Darwinian sex roles confirmed across the animal kingdom.'

Credit

[Credit: S. Rösner]

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