News of the WeekANIMAL BEHAVIOR

Guppy Sex and Gluttony Guided by Orange Glow

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Science  08 Mar 2002:
Vol. 295, Issue 5561, pp. 1816
DOI: 10.1126/science.295.5561.1816b

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Summary

Why females of various species prefer males with particular traits has proved difficult to pin down. Now, behavioral ecologists report in the Proceedings of the Royal Society of London, Series B, that for guppies, which prefer males with orange spots, the attraction derives from a simple gut response: Orange looks like food.