On the other hand, bonobos are viewed as being more socially cooperative, and they are temperamentally shyer of new things and more tolerant of others in feeding situations. This might suggest different skills of causal analysis, since using tools effectively requires an understanding of the physical requirements of the situation. For example, in their natural habitats, chimpanzees are extractive foragers who use many different types of tools to obtain food from challenging places, whereas bonobos rely on tools very little. Despite their evolutionary closeness, the behavior of these two great ape species differs in important ways, and this might lead us to hypothesize that their cognitive skills differ correspondingly. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.Ĭompeting interests: The authors have declared that no competing interests exist.Ĭhimpanzees and bonobos are humans' closest living relatives (the common ancestor of all three was around 6 million years ago), and are themselves very closely related (common ancestor around 2 million years ago). from the European Research Commission Advanced Grant Agreement 233297 and the National Science Foundation NSF-BCS-08-27552-02. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.įunding: This work was supported in part by a grant to B.H. Received: JAccepted: JPublished: August 27, 2010Ĭopyright: © 2010 Herrmann et al. PLoS ONE 5(8):Įditor: Nathan Jon Emery, Queen Mary University of London, United Kingdom Citation: Herrmann E, Hare B, Call J, Tomasello M (2010) Differences in the Cognitive Skills of Bonobos and Chimpanzees.
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