About the Authors

Richard D. Gregory

richard.gregory@rspb.org.uk

Affiliation The Royal Society for the Protection of Birds & European Bird Census Council, The Lodge, Sandy, Bedfordshire, United Kingdom

Stephen G. Willis

Affiliation Institute of Ecosystem Science, School of Biological and Biomedical Sciences, Durham University, Durham, United Kingdom

Frédéric Jiguet

Affiliation Muséum National d'Histoire Naturelle, UMR 5173 MNHN-CNRS-UPMC, CRBPO, Paris, France

Petr Voříšek

Affiliation Czech Society for Ornithology, Prague, Czech Republic

Alena Klvaňová

Affiliation Czech Society for Ornithology, Prague, Czech Republic

Arco van Strien

Affiliation Statistics Netherlands, Voorburg, the Netherlands

Brian Huntley

Affiliation Institute of Ecosystem Science, School of Biological and Biomedical Sciences, Durham University, Durham, United Kingdom

Yvonne C. Collingham

Affiliation Institute of Ecosystem Science, School of Biological and Biomedical Sciences, Durham University, Durham, United Kingdom

Denis Couvet

Affiliation Muséum National d'Histoire Naturelle, UMR 5173 MNHN-CNRS-UPMC, CRBPO, Paris, France

Rhys E. Green

Affiliations The Royal Society for the Protection of Birds, The Lodge, Sandy, Bedfordshire, United Kingdom, Conservation Science Group, Department of Zoology, University of Cambridge, Cambridge, United Kingdom

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: RG SW FJ BH RG. Analyzed the data: RG SW FJ PV AK AVS BH YCC RG. Contributed reagents/materials/analysis tools: AVS. Wrote the paper: RG SW FJ BH RG. Contributed to the above: DC.