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Evidence for personality conformity, not social niche specialization in social jays

Title
Evidence for personality conformity, not social niche specialization in social jays
Authors
McCune, KelseyJablonski, PiotrLee, Sang-imHa, Renee
DGIST Authors
McCune, Kelsey; Jablonski, Piotr; Lee, Sang-im; Ha, Renee
Issue Date
2018-07
Citation
Behavioral Ecology, 29(4), 910-917
Type
Article
Article Type
Article
Author Keywords
Aphelocomaboldnessconformitypersonalitysocial niche specialization
Keywords
BEHAVIORAL SYNDROMESAPHELOCOMA-ULTRAMARINACULTURAL TRANSMISSIONANIMAL PERSONALITYWILD BABOONSCOOPERATIONEVOLUTIONBOLDNESSECOLOGYRECOGNITION
ISSN
1045-2249
Abstract
Animal personality traits are defined as consistent individual differences in behavior over time and across contexts. Occasionally this inflexibility results in maladaptive behavioral responses to external stimuli. However, in social groups inflexible behavioral phenotypes might be favored as this could lead to more predictable social interactions. Two hypotheses seek to describe the optimal distribution of personality types within groups. The social niche specialization hypothesis states that individuals within groups should partition social roles, like personality types, to avoid conflict; whereas the conformity hypothesis states that individuals should assort with conspecifics of similar personality. However, no research so far has compared these hypotheses using data from wild animal systems. We tested boldness in the wild on 2 species with different social systems, the Mexican Jay and California Scrub-Jay. We found support for the conformity hypothesis over the social niche specialization hypothesis because individuals within groups of the social species had more similar personalities, and consequently there was a statistically significant group effect. The most likely mechanism for this conformity is social learning of behaviors through development, but more explicit research on this is needed. © The Author(s) 2018.
URI
http://hdl.handle.net/20.500.11750/9066
DOI
10.1093/beheco/ary055
Publisher
Oxford University Press
Related Researcher
Files:
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Collection:
Department of New BiologyLab of Integrative Animal Ecology1. Journal Articles


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