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Reconciliation in wild white-faced capuchins (Cebus capucinus)
Joseph H Manson1, Susan Perry, Daniel Stahl
1Max Planck Institute for Evolutionary Anthropology, Leipzig, Germany. manson@eva.mpg.de
American Journal of Primatology
|March 18, 2005
Summary
Reconciliation in white-faced capuchins (Cebus capucinus) is more likely when delayed after conflicts. This study observed that delayed reconciliation attempts reduced the chance of renewed aggression between former opponents.
Area of Science:
- Primate behavior
- Conflict resolution
- Social reconciliation
Background:
- Reconciliation, defined as preferential peaceful contact after conflicts, is influenced by relationship value, compatibility, and security.
- Capuchin monkey dyads (adult female and alpha male) exhibit high value and compatibility but low security.
- Previous research suggests relationship dynamics impact post-conflict interactions.
Purpose of the Study:
- To investigate the occurrence and timing of reconciliation in wild white-faced capuchins (Cebus capucinus).
- To determine if reconciliation is a byproduct of general affiliative tendencies or spatial proximity.
- To assess the impact of delayed reconciliation on the likelihood of renewed aggression.
Main Methods:
- Two studies were conducted at Lomas Barbudal Biological Reserve, Costa Rica, analyzing post-conflict (PC) and matched control (MC) behaviors.
- Study 1 involved 30-minute PC and MC follows.
- Study 2 utilized longer PC/MC periods (averaging 105 minutes) extracted from extensive follows.
Main Results:
- Study 2 revealed significantly more 'attracted' pairs (reconciling sooner in PC periods) than 'dispersed' pairs (reconciling sooner in MC periods).
- Reconciliation was not explained by general affiliative contact seeking or spatial proximity.
- Delayed reconciliation attempts were less likely to be followed by renewed aggression.
Conclusions:
- Reconciliation occurs in white-faced capuchins and is influenced by the timing of attempts after conflict.
- Delayed reconciliation appears to be a more effective strategy for preventing subsequent aggression.
- Further research is needed to formally test differences in conciliatory tendencies among dyad types.
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