| Affiliation: | 1. Department of Ecology and Social Behavior, Primate Research Institute, Kyoto University, Inuyama, Aichi, Japan;2. Department of Anthropology and Museum Studies, Central Washington University, Ellensburg, Washington;3. Primate Behavior and Ecology Program, Central Washington University, Ellensburg, Washington;4. Department of Biological Sciences, Central Washington University, Ellensburg, Washington;5. School of Life Science, Hefei Normal University, Hefei, China;6. Department of Cognitive Sciences, Primate Research Institute, Kyoto University, Inuyama, Aichi, Japan |
