Article
Dynamic feedback between phenotype and physiology in sexually selected traits.
Trends in ecology & evolution - 1 Dec 2008
Rubenstein Dustin R, Hauber Mark E
Abstract excerpt
Theory predicts that physiological costs of producing elaborate phenotypes assure the honesty of sexually selected traits. It is generally assumed that these physiological processes drive sexually selected displays. However, a recent study by Safran and colleagues demonstrates that the manipulation of plumage ornaments in barn swallows alters the temporal course of circulating androgens, thus rejecting the...
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