Zoo-housed female chimpanzee adopts local female-specific tradition upon immigrating into a new group

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Wild female chimpanzees typically migrate to a neighbouring community at the onset of sexual maturity, a process that can be dangerous and unpredictable. To mitigate the risk of rejection in the new community, immigrants may employ several behavioural strategies. During the integration of two chimpanzee females at Royal Burgers' Zoo (Arnhem, The Netherlands) one of the immigrant females rapidly copied a local tradition - the crossed-arm walk - which has been present in the group for over 20 years. She copied the behaviour after meeting only one resident female, and showed the behaviour frequently throughout a 6-month observation period following the introduction. The other immigrant female never adopted the crossed-arm walk, highlighting the variation in behaviour by immigrants upon integration, as well as the potential associated consequences: in a separate observation period 2 years later, the female who copied the local tradition appeared more socially integrated than the other immigrant female. © THE AUTHORS, 2021.
Originele taal-2Engels
Nummer van het tijdschrift6
Pagina's (van-tot)547-564
Aantal pagina's18
StatusGepubliceerd - 2021
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