1. Institute of Zoology, Zoological Society of London, Regents Park, London NW1 4RY, U.K.
2. P.O. Box 822, Cape May Court House, NJ 08210, U.S.A.
3. Gateway National Recreational Area, 210 New York Avenue, Staten Island, NY 10305, U.S.A.
4. Department of Biology, University of Redlands, P.O. Box 3080, Redlands, CA 92373‐0999, U.S.A.
5. Birdlife International, Wellbrook Court, Girton Road, Cambridge CB3 0NA, U.K.
6. Rural Planning Services (RPS) Ltd, Willow Mere House, Compass Point Business Park, Stocks Bridge Way, St Ives, Cambridgeshire PE27 5JL, U.K.
7. Wildlife Conservation Society, New York Zoological Society, Bronx Park, New York, NY 10460, U.S.A.
8. Rangelands and Savannas Program, Sustainable Ecosystems, CSIRO – Davies Laboratory, PMB P.O., Aitkenvale, Queensland 4814, Australia
9. Mammal Research Institute, Department of Zoology and Entomology, University of Pretoria, Pretoria 0002, South Africa