About the Authors

Fiona J. H. Wynde


Current address: Royal Society for the Protection of Birds, The Lodge, Sandy, Bedfordshire, United Kingdom

Affiliation School of Biology, Ridley Building, University of Newcastle upon Tyne, Newcastle upon Tyne, United Kingdom

Gordon R. Port

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: FJHW GRP. Performed the experiments: FJHW. Analyzed the data: FJHW. Contributed reagents/materials/analysis tools: FJHW. Wrote the paper: FJHW GRP.