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Article

Capuchin monkeys with similar personalities have higher-quality relationships independent of age, sex, kinship and rank

Citation
Morton FB, Weiss A, Buchanan-Smith HM & Lee PC (2015) Capuchin monkeys with similar personalities have higher-quality relationships independent of age, sex, kinship and rank. Animal Behaviour, 105, pp. 163-171. https://doi.org/10.1016/j.anbehav.2015.04.013

Abstract
Social relationships vary in content, quality and patterning. Most researchers focus on whether and how nondispositional factors, including age, sex, kinship and rank, predict variance in the content, quality and patterning of relationships. However, within a species, these factors do not always predict partner choice. We examined whether similarity in any of five personality traits, Assertiveness, Openness, Neuroticism, Sociability and Attentiveness, independently contributed to variation in the affiliative and agonistic relationships of pairs of brown capuchin monkeys, Sapajus sp. Capuchins that were more similar in Neuroticism had higher affiliative relationship scores, while capuchins that were more similar in Sociability shared overall higher-quality relationships (i.e. the difference between the dyad's affiliative and agonistic scores). These effects were independent of age, sex, kinship and rank, suggesting that certain aspects of the psychology of these animals may contribute uniquely to the quality of their social relationships.

Keywords
Cebus apella; homophily; partner compatibility; sociability; social rank; temperament

Journal
Animal Behaviour: Volume 105

StatusPublished
Author(s)Morton, F Blake; Weiss, Alexander; Buchanan-Smith, Hannah M; Lee, Phyllis C
Publication date31/07/2015
Publication date online22/05/2015
Date accepted by journal09/04/2015
URLhttp://hdl.handle.net/1893/22253
PublisherElsevier
ISSN0003-3472
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