Basis for Cumulative Cultural Evolution in Chimpanzees: Social Learning of a More Efficient Tool-Use Technique

• Shinya Yamamoto ,

  * E-mail: shinyayamamoto1981@gmail.com

  Affiliation Primate Research Institute, Kyoto University, Inuyama, Aichi, Japan

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• Tatyana Humle,

  Affiliation School of Anthropology and Conservation, University of Kent, Canterbury, Kent, United Kingdom

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• Masayuki Tanaka

  Affiliation Wildlife Research Center, Kyoto University, Sakyo-ku, Kyoto, Japan

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