1. Institute of Zoology Zoological Society of London Regent's Park London NW1 4RY UK
2. Synchronicity Earth 32a Thurloe Place London SW7 2HQ UK
3. Department of Genetics, Evolution and Environment University College London Gower Street London WC1E 6BT UK
4. Conservation Programmes Zoological Society of London Regent's Park London NW1 4RY UK
5. Department of Biology Northern Michigan University Marquette MI 49855 USA
6. Global Species Programme IUCN 219c Huntingdon Road Cambridge CB3 ODL UK