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The role of personality, cognition, and affective state in same-sex contests in the red junglefowl
Linköping University, Department of Physics, Chemistry and Biology, Biology. Linköping University, Faculty of Science & Engineering.
Linköping University, Department of Physics, Chemistry and Biology, Biology. Linköping University, Faculty of Science & Engineering.
Linköping University, Department of Physics, Chemistry and Biology, Biology. Linköping University, Faculty of Science & Engineering. Univ Manchester, England.
Swedish Univ Agr Sci, Sweden.
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2019 (English)In: Behavioral Ecology and Sociobiology, ISSN 0340-5443, E-ISSN 1432-0762, Vol. 73, no 11, article id UNSP 149Article in journal (Refereed) Published
Abstract [en]

Intra-species contests are common in the animal kingdom and can have fitness consequences. Most research on what predicts contest outcome focuses on morphology, although differences in personality and cognition may also be involved. Supporting this, more proactive individuals often have dominant status, although the causality of this relationship is rarely investigated. Contest initiators often win; thus, individuals that are more proactive in their personality (e.g., more aggressive, risk-taking) or cognition (e.g., more optimistic, impulsive) may initiate contests more often. To investigate this, we assayed the behavior and cognition of sexually mature male and female red junglefowl (Gallus gallus), a species in which both sexes contest over social status, before staging intra-sexual contests. We confirm that contest initiators were more likely to win. In males, individuals that behaved more boldly in a novel arena test were more likely to initiate and win contests. Female initiators tended to be less active in novel object test, more aggressive in a restrained opponent test, and respond less optimistically in a cognitive judgement bias test, whereas the main predictor of whether a female would win a contest was whether she initiated it. These results suggest that behaviors attributed to proactive and reactive personalities, and-at least for female red junglefowl-optimism, can affect contest initiation and outcome. Therefore, within species, and depending on sex, different aspects of behavior and cognition may independently affect contest initiation and outcome. The generality of these findings, and their fitness consequences, requires further investigation.

Place, publisher, year, edition, pages
SPRINGER , 2019. Vol. 73, no 11, article id UNSP 149
Keywords [en]
Animal cognition; Animal personality; Contests; Gallus gallus; Intra-sexual selection
National Category
Behavioral Sciences Biology
Identifiers
URN: urn:nbn:se:liu:diva-162758DOI: 10.1007/s00265-019-2762-0ISI: 000499247700003OAI: oai:DiVA.org:liu-162758DiVA, id: diva2:1380361
Note

Funding Agencies|Linkoping University; Swedish research council FormasSwedish Research CouncilSwedish Research Council Formas

Available from: 2019-12-18 Created: 2019-12-18 Last updated: 2020-01-22

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Garnham, LauraAhlgren Porthen, SabinaChild, SarahLovlie, Hanne
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