About the Authors
- Oscar Vedder, Sandra Bouwhuis, Ben C. Sheldon
- Edward Grey Institute, Department of Zoology, University of Oxford, Oxford, United Kingdom
- Sandra Bouwhuis
- Institute of Avian Research, Wilhelmshaven, Germany
The authors have declared that no competing interests exist.
The author(s) have made the following declarations about their contributions: Conceived and designed the experiments: BCS OV. Performed the experiments: OV SB BCS. Analyzed the data: OV SB. Wrote the paper: OV BCS.