1. Biological and Environmental Sciences, School of Natural SciencesUniversity of Stirling Stirling Scotland FK9 4LA UK
2. Department of Life Sciences, Imperial College LondonSilwood Park Campus Buckhurst Road Ascot SL5 7PY UK
3. Institute of ZoologyZoological Society of London Regent's Park London NW1 4RY UK
4. Department of ZoologyUniversity of Oxford South Parks Road Oxford OX1 3PS UK
5. A Rocha Kenya Watamu 80202 Kenya
6. CORDIO‐East Africa PO Box 24562 Nairobi 00502 Kenya
7. Conservation ProgrammesZoological Society of London Regent's Park London NW1 4RY UK
8. Centre for Ecology and ConservationUniversity of Exeter Penryn Cornwall TR10 9EZ UK