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Author | Hopkins, W.D.; Taglialatela, J.P.; Leavens, D.A. | ||||
Title | Chimpanzees differentially produce novel vocalizations to capture the attention of a human | Type | Journal Article | ||
Year | 2007 | Publication | Animal Behaviour. | Abbreviated Journal | Anim. Behav. |
Volume | 73 | Issue | 2 | Pages | 281-286 |
Keywords | acoustic signals; chimpanzee; cognition; Pan troglodytes; vocal communication | ||||
Abstract | Chimpanzees, Pan troglodytes, produce numerous species-atypical signals when raised in captivity. We examined contextual elements of the use of two of these vocal signals, the `raspberry' and the extended grunt. Our results demonstrate that these vocalizations are not elicited by the presence of food, but instead function as attention-getting signals. These findings reveal a heretofore underappreciated category of animal signals: attention-getting sounds produced in novel environmental circumstances. The invention and use of species-atypical signals, considered in relation to group differences in signalling repertoires in apes in their natural habitats, may index a generative capacity in these hominoid species without obvious corollary in other primate species. | ||||
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Notes | Approved | no | |||
Call Number | Equine Behaviour @ team @ | Serial | 2889 | ||
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