期刊
BIOLOGY LETTERS
卷 16, 期 2, 页码 -出版社
ROYAL SOC
DOI: 10.1098/rsbl.2019.0869
关键词
social avoidance; parasitology; kin selection; disease recognition; non-human primate; anti-parasite behaviour
资金
- Deutsches forschungsgemeinschaft (DFG) [KA 1082-20-1]
- 'Station d'Etudes en Ecologie Globale' (INEE-CNRS)
- ANR SLEEP [17-CE02-0002]
- grant 'Prix de la Fondation des Treilles pour Jeune Chercheur'
- PEPS ECOSAN (INEE-CNRS)
Several species mitigate relationships according to their conspecifics' parasite status. Yet, this defence strategy comes with the costs of depriving individuals from valuable social bonds. Animals therefore face a trade-off between the costs of pathogen exposure and the benefits of social relationships. According to the models of social evolution, social bonds are highly kin-biased. However, whether kinship mitigates social avoidance of contagious individuals has never been tested so far. Here, we build on previous research to demonstrate that mandrills (Mandrillus sphinx) modulate social avoidance of contagious individuals according to kinship: individuals do not avoid grooming their close maternal kin when contagious (parasitized with oro-faecally transmitted protozoa), although they do for more distant or non-kin. While individuals' parasite status has seldom been considered as a trait impacting social relationships in animals, this study goes a step beyond by showing that kinship balances the effect of health status on social behaviour in a non-human primate.
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