Purposive behavior as a basis for objective communication between chimpanzees

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Science  22 Aug 1975:
Vol. 189, Issue 4203, pp. 652-654
DOI: 10.1126/science.1162352


The rate at which a chimpanzee approaches a hidden, distant goal varies according to social conditions and according to whether the goal is a novel object or food. This behavior furnishes a social group with sufficient information for simultaneous and successive disrciminations between leaders and between goals.