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Laporte, Marion N. C.; Zuberbuhler, Klaus – Developmental Science, 2011
Adult chimpanzees produce a unique vocal signal, the pant-grunt, when encountering higher-ranking group members. The behaviour is typically directed to a specific receiver and has thus been interpreted as a "greeting" signal. The alpha male obtains a large share of these calls, followed by the other adult males of the group. In this study, we…
Descriptors: Animals, Animal Behavior, Development, Communication (Thought Transfer)