1. Royal Society for the Protection of Birds, The Lodge, Sandy SG19 2DL, UK
2. Institute of Zoology, Zoological Society of London, Regent's Park, London NW1 4RY, UK
3. Bird Conservation Nepal, PO Box 12465, Kathmandu, Nepal
4. Central Science Laboratory, Sand Hutton, York YO41 1LZ, UK
5. Bombay Natural History Society, Hornbill House, S. B. Singh Road, Mumbai 400 023, India
6. India Poultry Diagnostic and Research Centre, Division of Venkateshwara Hatcheries Private Limited, Pune-Solapur Road, Loni Kalbhor, Pune 412 201, Maharashtra, India
7. Conservation Biology Group, Department of Zoology, University of Cambridge, Cambridge CB2 3EJ, UK