Please use this identifier to cite or link to this item: http://hdl.handle.net/10261/33909
Share/Export:
logo share SHARE logo core CORE BASE
Visualizar otros formatos: MARC | Dublin Core | RDF | ORE | MODS | METS | DIDL | DATACITE
Title

A complex plumage pattern as an honest social signal

AuthorsBortolotti, Gary R.; Blas, Julio CSIC ORCID ; Negro, Juan J. CSIC ORCID; Tella, José Luis CSIC ORCID
Issue Date23-Jun-2006
PublisherElsevier
CitationANIMAL BEHAVIOUR, 2006, 72, 423-430
AbstractAlthough birds are highly patterned animals, the efficacy and information content of complex colour signalling by combining multiple feathers has rarely been investigated. We examine a melanin-dependent plumage pattern in the red-legged partridge, Alectoris rufa , in a captive breeding facility in Spain. Both males and females are striking in that the majority of the entire side of the body is covered with a bold brown, black and white vertical pattern. During agonistic displays the feathers are aligned in nearly perfect, continuous dorsoventral ‘flank bands’. We report on the unusual morphology and developmental complexity of the pattern, including the number and anatomical location of the display feathers. We investigate whether the area of any of the three colours of individual feathers was a signal of a bird’s quality. Black alone varied significantly with age, sex and mass scaled to body size in both sexes, as well as the heterophil/ lymphocyte ratio of females. Birds in poor condition appear not to be able to pigment the feather completely to its edge. The negative correlation between the black areas of the display feathers of mated pairs and the negative correlation between male ornament size and reproductive success suggest various behavioural associations with colour. Plumage patterns provide many more potential opportunities for signalling an individual’s quality than overall colour alone, and they have the advantage that they can be turned off and on at the appropriate time through behavioural modification.
Publisher version (URL)http://dx.doi.org/10.1016/j.anbehav.2006.01.016
URIhttp://hdl.handle.net/10261/33909
DOI0.1016/j.anbehav.2006.01.01
Appears in Collections:(EBD) Artículos




Files in This Item:
File Description SizeFormat
A complex plumage pattern as an honest social signal.pdf266,81 kBAdobe PDFThumbnail
View/Open
Show full item record
Review this work

Page view(s)

360
checked on May 27, 2022

Download(s)

414
checked on May 27, 2022

Google ScholarTM

Check

Altmetric

Dimensions


WARNING: Items in Digital.CSIC are protected by copyright, with all rights reserved, unless otherwise indicated.