The role of pigment based plumage traits in resolving conflicts

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Show simple item record Young, CM en Cain, Kristal en Svedin, N en Backwell, PRY en Pryke, SR en 2016-08-15T23:56:59Z en 2015-07-25 en 2016-03 en
dc.identifier.citation Journal of Avian Biology, 2016, 47 (2), pp. 167 - 175 en
dc.identifier.issn 0908-8857 en
dc.identifier.uri en
dc.description.abstract The role of melanin ‘badges of status’, in male–male competition has been well-studied, in contrast, carotenoid based plumage has largely been examined in the context of female mate choice. Recent work has shown that carotenoid signals can also function in male–male competition, although the functions of the two types of signals is currently unclear. Here, we examine the relationships between colouration, dominance and aggression in the crimson finch Neochmia phaeton, a species where males have both conspicuous red carotenoid plumage and a black melanin patch. We examined the importance of carotenoid and melanin based signals in three contexts: 1) among free-living birds interacting at a feeding station: we found that neither colour signal influenced the outcome of interactions; 2) in staged dyadic contest in captivity: we found that coloration from carotenoid pigments was positively related to the probability of winning a contest, while the size of the melanin plumage patch was not related to winning; and 3) in staged dyadic contests where male plumage colour had been masked: we found that the number of interactions required to determine dominance increased. While the underlying natural plumage colour was still important in these contests, birds with more intense carotenoid colouration were now more likely to lose. These results confirm carotenoid-based signalling in male–male contests. However this signal is used in conjunction with other factors such as self-assessment and body condition. Contrary to traditional expectations, the black melanin patch was not found to be important in this context. en
dc.language English en
dc.publisher Wiley-Blackwell en
dc.relation.ispartofseries Journal of Avian Biology en
dc.rights Items in ResearchSpace are protected by copyright, with all rights reserved, unless otherwise indicated. Previously published items are made available in accordance with the copyright policy of the publisher. Details obtained from en
dc.rights.uri en
dc.title The role of pigment based plumage traits in resolving conflicts en
dc.type Journal Article en
dc.identifier.doi 10.1111/jav.00742 en
pubs.issue 2 en
pubs.begin-page 167 en
pubs.volume 47 en
dc.description.version VoR - Version of Record en en
pubs.end-page 175 en
pubs.publication-status Published en
dc.rights.accessrights en
pubs.subtype Article en
pubs.elements-id 534644 en Science en Biological Sciences en
dc.identifier.eissn 1600-048X en
pubs.record-created-at-source-date 2016-08-16 en 2015-10-04 en

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