Please use this identifier to cite or link to this item: http://hdl.handle.net/1893/28621
Appears in Collections:Psychology Journal Articles
Peer Review Status: Refereed
Title: The dynamics of grooming interactions: maintenance of partner choice and the consequences of demographic variation for female mandrills
Author(s): Pereira, André S
Rebelo, Inês D
Casanova, Catarina
Lee, Phyllis C
Louca, Vasilis
Keywords: Mandrills (Mandrillus sphinx)
Social network analysis
Grooming partner choice
Grooming reciprocity
Female grooming interactions
Issue Date: 25-Jan-2019
Citation: Pereira AS, Rebelo ID, Casanova C, Lee PC & Louca V (2019) The dynamics of grooming interactions: maintenance of partner choice and the consequences of demographic variation for female mandrills. PeerJ, 7, Art. No.: e6332. https://doi.org/10.7717/peerj.6332.
Abstract: A large body of evidence suggests that female Old World monkeys maintain selective long-term grooming interactions with fitness benefits. The last two decades have produced evidence that the regulation of social interactions among primates can be, in part, explained by the Biological Markets theory, with grooming behaviour as the focus of these studies. Grooming facilitates bonding between individuals, constituting an essential part of the regulation of social relationships among female cercopithecids. In contrast to the well-studied baboons (Papio spp), knowledge about the nature of grooming interactions and their regulation is generally lacking for the large, terrestrial species of mandrills (Mandrillus sphinx). We used a combination of social network analysis tools and well-established methods for assessing partner diversity and reciprocity to characterise grooming networks, partner choice and patterns of trade (be groomed, give grooming) among females in a captive group of mandrills, both within and across two separate observation periods. Our results suggest that, even though the relatively stable conditions of captivity allowed the studied females to maintain selective grooming interactions across time, small scale demographic changes affected the grooming dynamics of the group in accordance with the expectations of the Biological Markets theory. In particular, the maturation and consequent integration of a high ranking female into the group’s grooming network from one period to the next resulted in a more pronounced effect of rank on the regulation of grooming interactions. In addition, the influence of the maturation of a dependent infant on the grooming interactions of his mother were evident between periods. Our results also demonstrate that grooming networks are dynamic and that high ranking individuals are not necessarily the most central in grooming networks. Finally, we discuss the potential of social network analysis to identify cases of social exclusion and its consequences for captive management.
DOI Link: 10.7717/peerj.6332
Rights: © 2019 Pereira et al. This is an open access article distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, reproduction and adaptation in any medium and for any purpose provided that it is properly attributed. For attribution, the original author(s), title, publication source (PeerJ) and either DOI or URL of the article must be cited.

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