1 School of Natural and Social Science, University of Gloucestershire, Cheltenham, GL50 4AZ, U.K.
2 IUCN SSC Sustainable Use and Livelihoods Specialist Group, Fenner School of Environment and Society, Australian National University, Canberra, ACT, 0200, Australia.
3 Wildlife Conservation Research Unit, Department of Zoology, University of Oxford, Recanati-Kaplan Centre, Tubney House, Abingdon Road, Tubney, Oxfordshire, OX13 5QL, U.K.
4 Department of Natural Resources, College of Agriculture and Life Sciences, Cornell University, Mann Drive, Ithaca, NY, 14853, U.S.A.