1School of Psychology, University of Reading, Reading, Berkshire, UK
2Bioko Biodiversity Protection Program, Arcadia University, Nanyuki, Kenya
3Department of Anthropology, and McGill School of Environment, McGill University, Montreal, Canada
4Wildlife Conservation Society, Bronx, USA
5Makerere University Biological Field Station, Fort Portal, Uganda
6Department of Anthropology, Hunter College (CUNY), New York, USA
7The Graduate Center, CUNY, New York, USA
8Wildlife Conservation Society, Kampala, Uganda
9Directorate of Conservation and Science, National Zoological Park, Washington, USA
10Department of Biological Sciences, Purdue University, Lafayette, USA