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Chimpanzee lip-smacking facilitates cooperative behaviour

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Zuberbuehler_2015_SR_Chimpanzee_CC.pdf (336.3Kb)
Date
21/08/2015
Author
Fedurek, Pawel
Slocombe, Katie
Hartel, Jessica A.
Zuberbuehler, Klaus
Keywords
Pan-troglodytes
Wild Chimpanzees
Gestural communication
Vigilance costs
Vervet monkeys
Speech
Aggresion
Evolution
atterns
Primates
QL Zoology
BF Psychology
NDAS
Metadata
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Abstract
Signalling plays an important role in facilitating and maintaining affiliative or cooperative interactions in social animals. Social grooming in primates is an example of an interaction that requires coordination between partners but little is known about communicative behaviours facilitating this activity. In this study, we analysed the communication of wild chimpanzees of Budongo Forest, Uganda, as they entered and maintained a naturally occurring cooperative interaction: social grooming. We found that lip-smacking, a distinct multimodal oral gesture produced during grooming, coordinated this activity. Lip-smacking at the beginning of grooming bouts was significantly more often followed by longer and reciprocated bouts than silent grooming initiations. Lip-smacks were more likely to be produced when the risk of termination of the interaction by the recipient was high, for instance when grooming vulnerable body parts. Groomers were also more likely to produce lip-smacks during face-to-face grooming where the visual aspect of the signal could be perceived. Data are consistent with the hypothesis that chimpanzee lip-smacks function to coordinate and prolong social grooming, suggesting that this oral signal is an example of a communicative behaviour facilitating cooperative behaviour in chimpanzees.
Citation
Fedurek , P , Slocombe , K , Hartel , J A & Zuberbuehler , K 2015 , ' Chimpanzee lip-smacking facilitates cooperative behaviour ' , Scientific Reports , vol. 5 , 13460 . https://doi.org/10.1038/srep13460
Publication
Scientific Reports
Status
Peer reviewed
DOI
https://doi.org/10.1038/srep13460
ISSN
2045-2322
Type
Journal article
Rights
Copyright 2015 the Authors. This work is licensed under a Creative Commons Attribution 4.0 International License. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/
Description
PF was funded by Swiss National Science Foundation and European Research Council project grants (Prilang 283871) to KZ.
Collections
  • University of St Andrews Research
URL
http://www.nature.com/article-assets/npg/srep/2015/150821/srep13460/extref/srep13460-s1.pdf
URI
http://hdl.handle.net/10023/7437

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