1. United Nations Environment Programme World Conservation Monitoring Centre, 219 Huntingdon Road, Cambridge CB3 0DL, UK.
2. Centre for Biodiversity and Environment Research, Department of Genetics, Evolution and Environment, University College London, Gower Street, London WC1E 6BT, UK.
3. Department of Life Sciences, Natural History Museum, Cromwell Road, London SW7 5BD, UK.
4. Department of Life Sciences, Imperial College London, Silwood Park, London SL5 7PY, UK.
5. Commonwealth Scientific and Industrial Research Organization (CSIRO) Land and Water Flagship, Canberra, Australian Capital Territory 2601, Australia.
6. Luc Hoffmann Institute, World Wildlife Fund (WWF) International, 1196 Gland, Switzerland.
7. Center for Macroecology, Evolution and Climate, Natural History Museum of Denmark, University of Copenhagen, Universitetsparken 15, DK-2100 Copenhagen Ø, Denmark.
8. School of Life Sciences, University of Sussex, Brighton BN1 9QG, UK.