1. Department of Wildlife, Fish and Conservation Biology, University of California, Davis, CA 95616, USA
2. Bushmeat free -Eastern Africa Network (BEAN), P.O.Box 368, Tukuyu, Tanzania
3. Tanzania Wildlife Research Institute, P.O. Box 661, Arusha, Tanzania
4. Department of Anthropology, University of California, Davis, CA 95616, USA
5. Wissenschaftskolleg zu Berlin, 14193 Berlin, Germany