| Authors: |
Durden LA; Department of Biology, Georgia Southern University, Statesboro, Georgia 30458., Kessler SE; University of Stirling, Department of Psychology, Faculty of Natural Sciences, Stirling FK9 4LA, Scotland.; Durham University, Department of Anthropology, Durham, DH1 3LE, U.K., Boundenga L; Centre de Primatologie, Centre International de Recherches Médicales de Franceville (CIRMF), B.P. 769 Franceville, Gabon., Ngoubangoye B; Centre de Primatologie, Centre International de Recherches Médicales de Franceville (CIRMF), B.P. 769 Franceville, Gabon., Tsoumbou TA; Centre de Primatologie, Centre International de Recherches Médicales de Franceville (CIRMF), B.P. 769 Franceville, Gabon., Moussadji-Kinga CI; Centre de Primatologie, Centre International de Recherches Médicales de Franceville (CIRMF), B.P. 769 Franceville, Gabon., Halbwax M; Centre de Primatologie, Centre International de Recherches Médicales de Franceville (CIRMF), B.P. 769 Franceville, Gabon.; Agence Nationale des Parcs Nationaux, B.P. 20379, Libreville, Gabon., Setchell JM; Durham University, Department of Anthropology, Durham, DH1 3LE, U.K., Nichols J; Durham University, Department of Anthropology, Durham, DH1 3LE, U.K., Greiman SE; Department of Biology, Georgia Southern University, Statesboro, Georgia 30458. |