About the Authors

Ben Phalan, Andrew Balmford
Department of Zoology, University of Cambridge, Cambridge, United Kingdom

Monika Bertzky, Jörn P. W. Scharlemann
United Nations Environment Programme World Conservation Monitoring Centre, Cambridge, United Kingdom

Stuart H. M. Butchart, Alison J. Stattersfield
BirdLife International, Cambridge, United Kingdom

Paul F. Donald
Royal Society for the Protection of Birds, Sandy, United Kingdom

Jörn P. W. Scharlemann
School of Life Sciences, University of Sussex, Brighton, United Kingdom

Corresponding Author

btp22@cam.ac.uk

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Analyzed the data: BP. Wrote the paper: BP MB SHMB PFD JPWS AJS AB.