About the Authors
Bombay Natural History Society, Mumbai, India
Bird Conservation Nepal, Kathmandu, Nepal
Royal Society for the Protection of Birds, Sandy, Bedfordshire, United Kingdom
Conservation Science Group, Department of Zoology, University of Cambridge, Cambridge, United Kingdom
The authors have declared that no competing interests exist.
Conceived and designed the experiments: VP RC RG AC. Performed the experiments: MCB AC RD MK SK KP SR RS. Analyzed the data: RG. Wrote the paper: VP RC RG.