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Nature 439, 917 (23 February 2006) | doi:10.1038/439917a; Published online 22 February 2006

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Family values in black and white

Marlene Zuk1

  1. Marlene Zuk is in the Department of Biology, University of California, Riverside, California 92521, USA.

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The sexual behaviour of penguins, although fascinating, does not offer the moral lessons that some popular commentators would have us believe.

Anyone who doesn't realize that the intimate details of penguin family life are a hot political topic must have spent the last couple of years on an ice floe. First was the proliferation of same-sex penguin couples, most notably in Manhattan's Central Park Zoo.

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