About the Authors
- Rebecca J. Safran
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* E-mail: Rebecca.Safran@colorado.edu
Affiliation Department of Ecology and Evolutionary Biology, University of Colorado, Boulder, Colorado, United States of America
- Kevin J. McGraw
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Affiliation School of Life Sciences, Arizona State University, Tempe, Arizona, United States of America
- Matthew R. Wilkins
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Affiliation Department of Ecology and Evolutionary Biology, University of Colorado, Boulder, Colorado, United States of America
- Joanna K. Hubbard
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Affiliation Department of Ecology and Evolutionary Biology, University of Colorado, Boulder, Colorado, United States of America
- Julie Marling
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Affiliation Department of Ecology and Evolutionary Biology, University of Colorado, Boulder, Colorado, United States of America
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
Conceived and designed the experiments: RJS. Performed the experiments: RJS MRW. Analyzed the data: RJS JKH JM. Contributed reagents/materials/analysis tools: RJS KJM JKH. Wrote the paper: RJS KJM. Detailed editing of the manuscript: KJM. Field data collection: MRW. Manuscript revisions: MRW. Extensive color data analysis: JKH. Extensive data collection on plumage coloration: JM.