Affiliation: | 1. Junior Research Group for Primate Sexual Selection, German Primate Center, Göttingen, Germany;2. Courant Research Centre for the Evolution of Social Behaviour, Georg-August University, Göttingen, Germany;3. Department of Ecology, Physiology and Ethology, IPHC, Centre National de la Recherche Scientifique, Université de Strasbourg, Strasbourg, France;4. Faculty of Veterinary Medicine, Bogor Agricultural University, Bogor, Indonesia |