1. Wildlife Conservation Research Unit (WildCRU), Department of ZoologyUniversity of Oxford The Recanati‐Kaplan Centre, Tubney House Tubney OX13 5QL U.K.
2. Born Free Foundation Horsham RH12 4QP U.K.
3. Department of Ecosystem ResearchLeibniz‐Institute of Freshwater Ecology and Inland Fisheries (IGB) 12587 Berlin Germany
4. Austrian Science Fund (FWF) Sensengasse 1 1090 Vienna Austria
5. Institute of BiologyFreie Universität Berlin Altensteinstraße 6 14195 Berlin Germany