1. British Trust for Ornithology, The Nunnery, Thetford, Norfolk IP24 2PU, UK
2. School of Biological and Biomedical Sciences, Durham University, South Road, Durham DH1 3LE, UK
3. IUCN Global Species Programme, 219c Huntingdon Road, Cambridge CB3 0DL, UK
4. United Nations Environment Programme World Conservation Monitoring Centre, 219 Huntingdon Road, Cambridge CB3 0DL, UK
5. Cambridge Conservation Initiative, c/o Cambridge Judge Business School, University of Cambridge, Trumpington Street, Cambridge CB2 1AG, UK
6. Conservation Science Group, Department of Zoology, University of Cambridge, CB2 3EJ, UK
7. Fauna and Flora International, Jupiter House, Station Road, Cambridge CB1 2JD, UK
8. RSPB Centre for Conservation Science, RSPB, The Lodge, Sandy, Beds SG19 2DL, UK
9. BirdLife International, Wellbrook Court, Cambridge CB3 0NA, UK
10. Department of Botany and Zoology, University of Stellenbosch, P/Bag X1, Matieland, 7602 Stellenbosch, South Africa
11. Department of Plant Sciences, University of Cambridge, Downing Street, Cambridge CB2 3EA, UK