4 German Centre for Integrative Biodiversity Research (iDiv) Halle-Jena-Leipzig, Leipzig, 04103, Germany.
5 Ebo Forest Research Project, BP3055, Messa, Cameroon.
6 Institute for Conservation Research, San Diego Zoo Global, Escondido, CA, 92027-7000, USA.
7 West Chester University, Department of Psychology, West Chester, PA, 19382, USA.
8 West Chester University, Department of Anthropology and Sociology, West Chester, PA, 19382, USA.
9 Wildlife Conservation Society, New York, NY, 10460, USA.
10 Department of Wildlife and Range Management, Faculty of Renewable Natural Resources, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana.
11 WWF Cameroon Country Programme Office, BP 6776, Yaoundé, Cameroon.