Sexually Selected Male Plumage Color Is Testosterone Dependent in a Tropical Passerine Bird, the Red-Backed Fairy-Wren (Malurus melanocephalus)

• Willow R. Lindsay ,

  * E-mail: willowlindsay@gmail.com

  Affiliation School of Biological Sciences and Center for Reproductive Biology, Washington State University, Pullman, Washington, United States of America

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• Michael S. Webster,

  Affiliation Cornell Lab of Ornithology and Department of Neurobiology and Behavior, Cornell University, Ithaca, New York, United States of America

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• Hubert Schwabl

  Affiliation School of Biological Sciences and Center for Reproductive Biology, Washington State University, Pullman, Washington, United States of America

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