About the Authors

Chandrasekhar Natarajan

Affiliation School of Biological Sciences, University of Nebraska, Lincoln, Nebraska, United States of America

Joana Projecto-Garcia

Affiliation School of Biological Sciences, University of Nebraska, Lincoln, Nebraska, United States of America

Hideaki Moriyama

Affiliation School of Biological Sciences, University of Nebraska, Lincoln, Nebraska, United States of America

Roy E. Weber

Affiliation Department of Bioscience, Zoophysiology, Aarhus University, Aarhus, Denmark

Violeta Muñoz-Fuentes

Affiliations Estación Biológica de Doñana-CSIC, Sevilla, Spain, Conservation Genetics Group, Senckenberg Research Institute and Natural History Museum Frankfurt, Gelnhausen, Germany

Andy J. Green

Affiliation Estación Biológica de Doñana-CSIC, Sevilla, Spain

Cecilia Kopuchian

Affiliation Centro de Ecología Aplicada del Litoral (CECOAL), Consejo Nacional de Investigaciones Cientificas y Técnicas (CONICET), Corrientes, Argentina

Pablo L. Tubaro

Affiliation División Ornitología, Museo Argentino de Ciencias Naturales ‘Bernardino Rivadavia’ (MACN-CONICET), Buenos Aires, Argentina

Luis Alza

Affiliation Institute of Arctic Biology and University of Alaska Museum, University of Alaska Fairbanks, Fairbanks, Alaska, United States of America

Mariana Bulgarella

Affiliation Institute of Arctic Biology and University of Alaska Museum, University of Alaska Fairbanks, Fairbanks, Alaska, United States of America

Matthew M. Smith

Affiliation Institute of Arctic Biology and University of Alaska Museum, University of Alaska Fairbanks, Fairbanks, Alaska, United States of America

Robert E. Wilson

Affiliation Institute of Arctic Biology and University of Alaska Museum, University of Alaska Fairbanks, Fairbanks, Alaska, United States of America

Angela Fago

Affiliation Department of Bioscience, Zoophysiology, Aarhus University, Aarhus, Denmark

Kevin G. McCracken

Affiliations Institute of Arctic Biology and University of Alaska Museum, University of Alaska Fairbanks, Fairbanks, Alaska, United States of America, Department of Biology and Department of Marine Biology and Ecology, Rosenstiel School of Marine and Atmospheric Sciences, University of Miami, Coral Gables, Florida, United States of America

Jay F. Storz

jstorz2@unl.edu

Affiliation School of Biological Sciences, University of Nebraska, Lincoln, Nebraska, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JFS KGM AF. Performed the experiments: CN JPG HM VMF CK LA MB MMS REW. Analyzed the data: JFS AF REW KGM. Contributed reagents/materials/analysis tools: REW AJG PLT. Wrote the paper: JFS KGM.