About the Authors

Julia Schroeder

julia.schroeder@gmail.com

Affiliation Department of Animal and Plant Sciences, University of Sheffield, Sheffield, United Kingdom

Shinichi Nakagawa

Affiliations Department of Animal and Plant Sciences, University of Sheffield, Sheffield, United Kingdom, Department of Zoology, University of Otago, Dunedin, New Zealand, Evolutionary Genetics, Max Planck Institute for Ornithology, Seewiesen, Germany

Ian R. Cleasby

Affiliation Department of Animal and Plant Sciences, University of Sheffield, Sheffield, United Kingdom

Terry Burke

Affiliation Department of Animal and Plant Sciences, University of Sheffield, Sheffield, United Kingdom

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JS SN IC TB. Performed the experiments: SN IC. Analyzed the data: JS. Contributed reagents/materials/analysis tools: TB SN. Wrote the paper: JS IC SN TB.