About the Authors

Annie K. English

Affiliations Imperial College London, Division of Biology, Ascot, United Kingdom, The Zoological Society of London, Institute of Zoology, London, United Kingdom

Aliénor L. M. Chauvenet

Affiliations Imperial College London, Division of Biology, Ascot, United Kingdom, The Zoological Society of London, Institute of Zoology, London, United Kingdom

Kamran Safi

Affiliation Max Planck Institute for Ornithology, Radolfzell, Germany

Nathalie Pettorelli

Nathalie.Pettorelli@ioz.ac.uk

Affiliation The Zoological Society of London, Institute of Zoology, London, United Kingdom

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: NP. Performed the experiments: AKE. Analyzed the data: AKE ALMC KS NP. Contributed reagents/materials/analysis tools: KS. Wrote the paper: AKE ALMC NP.