Social Attention in the Two Species of Pan: Bonobos Make More Eye Contact than Chimpanzees

• Fumihiro Kano ,

  * E-mail: fkanou@gmail.com

  Current address: Kumamoto Sanctuary, Wildlife Research Center, Kyoto University, Kumamoto, Uki, Otao 990, Japan

  Affiliations Primate Research Institute, Kyoto University, Inuyama, Japan, Department of Developmental and Comparative Psychology, Max-Planck Institute for Evolutionary Anthropology, Leipzig, Germany, Japan Society for Promotion of Science, Tokyo, Japan

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• Satoshi Hirata,

  Affiliation Kumamoto Sanctuary, Wildlife Research Center, Kyoto University, Kumamoto, Uki, Japan

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• Josep Call

  Affiliations Department of Developmental and Comparative Psychology, Max-Planck Institute for Evolutionary Anthropology, Leipzig, Germany, School of Psychology and Neuroscience, University of St Andrews, St Andrews, United Kingdom

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