Chimpanzees are indifferent to the welfare of unrelated group members

Joan B. Silk (), Sarah F. Brosnan, Jennifer Vonk, Joseph Henrich, Daniel J. Povinelli, Amanda S. Richardson, Susan P. Lambeth, Jenny Mascaro and Steven J. Schapiro
Additional contact information
Joan B. Silk: University of California
Sarah F. Brosnan: Emory University
Jennifer Vonk: University of Louisiana at Lafayette
Daniel J. Povinelli: University of Louisiana at Lafayette
Amanda S. Richardson: The University of Texas M. D. Anderson Cancer Center
Susan P. Lambeth: The University of Texas M. D. Anderson Cancer Center
Jenny Mascaro: The University of Texas M. D. Anderson Cancer Center
Steven J. Schapiro: The University of Texas M. D. Anderson Cancer Center

Nature, 2005, vol. 437, issue 7063, 1357-1359

Abstract: Law of the jungle There is plenty of evidence — some of it cited in this week's Review Article — that humans care about the welfare of others and will provide costly assistance even to strangers. Frans de Waal has argued that ’other-regarding sentiments’ may be deep-rooted in primate evolutionary history. But a test for such behaviour in chimpanzees has drawn a blank. They spurn the chance to deliver benefits to unrelated but familiar individuals at no cost to themselves, cooperating only with their kin and partners.

Date: 2005
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DOI: 10.1038/nature04243

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