Long-term repeatability in social behaviour suggests stable social phenotypes in wild chimpanzees.
flexibility
personality
plasticity
primate
sociality
Journal
Royal Society open science
ISSN: 2054-5703
Titre abrégé: R Soc Open Sci
Pays: England
ID NLM: 101647528
Informations de publication
Date de publication:
Aug 2020
Aug 2020
Historique:
received:
18
03
2020
accepted:
09
07
2020
entrez:
24
9
2020
pubmed:
25
9
2020
medline:
25
9
2020
Statut:
epublish
Résumé
Consistent individual differences in social phenotypes have been observed in many animal species. Changes in demographics, dominance hierarchies or ecological factors, such as food availability or disease prevalence, are expected to influence decision-making processes regarding social interactions. Therefore, it should be expected that individuals show flexibility rather than stability in social behaviour over time to maximize the fitness benefits of social living. Understanding the processes that create and maintain social phenotypes requires data encompassing a range of socioecological settings and variation in intrinsic state or life-history stage or strategy. Using observational data spanning up to 19 years for some individuals, we demonstrate that multiple types of social behaviour are repeatable over the long term in wild chimpanzees, a long-lived species with complex fission-fusion societies. We controlled for temporal, ecological and demographic changes, limiting pseudo-repeatability. We conclude that chimpanzees living in natural ecological settings have relatively stable long-term social phenotypes over years that may be independent of life-history or reproductive strategies. Our results add to the growing body of the literature suggesting consistent individual differences in social tendencies are more likely the rule rather than the exception in group-living animals.
Identifiants
pubmed: 32968512
doi: 10.1098/rsos.200454
pii: rsos200454
pmc: PMC7481694
doi:
Banques de données
figshare
['10.6084/m9.figshare.12001248.v1']
Types de publication
Journal Article
Langues
eng
Pagination
200454Informations de copyright
© 2020 The Authors.
Déclaration de conflit d'intérêts
We declare we have no competing interests.
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