Tactics to obtain a hidden food item in chimpanzee pairs (Pan troglodytes)

被引:45
作者
Hirata S. [1 ]
Matsuzawa T. [1 ]
机构
[1] Primate Research Institute, Kyoto University, Inuyama, Aichi
基金
日本学术振兴会;
关键词
Chimpanzee; Deception; Knowledge attribution; Tactics;
D O I
10.1007/s100710100096
中图分类号
学科分类号
摘要
Five dyads of chimpanzees were tested in a competitive situation, as a pilot study to examine chimpanzees' understanding of conspecifics' knowledge. A human experimenter baited one of five containers in an outdoor enclosure. Chimpanzee A (witness) could see where the food was hidden, while chimpanzee B (witness-of-witness) could not see the baited place but could observe the chimpanzee A watching the food being hidden. Then the two were released into the enclosure. This procedure was repeated for a certain number of days along with a control condition in which neither could see the baited location. The witnessof- witness developed tactics to forestall the witness in two pairs. The witness misled the witness-of-witness by taking a route to an empty container in several cases. These episodes might represent examples of deception. Tactics and counter-tactics thus developed through the interaction between the witness and the witness-of-witness, illustrating the high social intelligence of chimpanzees. An examination of the changes in tactics suggests a possibility that the witness-of-witness understands the witness's knowledge of the location of hidden food. © Springer-Verlag 2001.
引用
收藏
页码:285 / 295
页数:10
相关论文
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