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Vocal signals facilitate cooperative hunting in wild chimpanzees
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Mine, J., Slocombe, K. E., Willems, E. P, Gilby, I. C., Yu, M., Emery Thompson, M., Muller, M. N., Wrangham, R. W., Townsend, Simon W. and Machanda, Z. P. (2022) Vocal signals facilitate cooperative hunting in wild chimpanzees. Science Advances, 8 (30). eabo5553. doi:10.1126/sciadv.abo5553 ISSN 2375-2548.
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Official URL: https://doi.org/10.1126/sciadv.abo5553
Abstract
Cooperation and communication likely coevolved in humans. However, the evolutionary roots of this interdependence remain unclear. We address this issue by investigating the role of vocal signals in facilitating a group cooperative behavior in an ape species: hunting in wild chimpanzees. First, we show that bark vocalizations produced before hunt initiation are reliable signals of behavioral motivation, with barkers being most likely to participate in the hunt. Next, we find that barks are associated with greater hunter recruitment and more effective hunting, with shorter latencies to hunting initiation and prey capture. Our results indicate that the coevolutionary relationship between vocal communication and group-level cooperation is not unique to humans in the ape lineage and is likely to have been present in our last common ancestor with chimpanzees.
| Item Type: | Journal Article | ||||||
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| Divisions: | Faculty of Science, Engineering and Medicine > Science > Psychology | ||||||
| Journal or Publication Title: | Science Advances | ||||||
| Publisher: | American Association for the Advancement of Science | ||||||
| ISSN: | 2375-2548 | ||||||
| Official Date: | 29 July 2022 | ||||||
| Dates: |
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| Volume: | 8 | ||||||
| Number: | 30 | ||||||
| Article Number: | eabo5553 | ||||||
| DOI: | 10.1126/sciadv.abo5553 | ||||||
| Status: | Peer Reviewed | ||||||
| Publication Status: | Published | ||||||
| Access rights to Published version: | Restricted or Subscription Access | ||||||
| Date of first compliant deposit: | 6 July 2022 | ||||||
| Date of first compliant Open Access: | 22 August 2022 | ||||||
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