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http://hdl.handle.net/10261/9051
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Campo DC | Valor | Lengua/Idioma |
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dc.contributor.author | Møller, Anders Pape | - |
dc.contributor.author | Barbosa, Andrés | - |
dc.contributor.author | Cuervo, José Javier | - |
dc.contributor.author | Lope, Florentino de | - |
dc.contributor.author | Merino, Santiago | - |
dc.contributor.author | Saino, N. | - |
dc.date.accessioned | 2008-12-10T11:36:53Z | - |
dc.date.available | 2008-12-10T11:36:53Z | - |
dc.date.issued | 1999 | - |
dc.identifier.citation | Proceedings of the Royal Society of London, Series B (1998) 265, 409-414 | en_US |
dc.identifier.issn | 0080-4649 | - |
dc.identifier.uri | http://hdl.handle.net/10261/9051 | - |
dc.description.abstract | The functional signi¢cance of elongated, narrow tips of the tail feathers of certain birds, so-called tail streamers, has recently been discussed from an aerodynamic point of view, and the e¡ects of sexual selection on such traits have been questioned. We review our long-term ¢eld studies using observational and experimental approaches to investigate natural and sexual selection in the barn swallow, Hirundo rustica, which has sexually size-dimorphic outermost tail feathers. Experimental manipulation of the length of the outermost tail feathers has demonstrated sexual selection advantages of tail elongation and disadvantages of tail shortening, with opposite e¡ects for natural selection in terms of foraging e¤ciency, haematocrit and survival. These ¢ndings are contrary to the prediction of a general deterioration from both shortening and elongation, if the tail trait was determined solely by its e¡ects on aerodynamic e¤ciency and £ight manoeuvrability. Patterns of sexual selection in manipulated birds conform with patterns in unmanipulated birds, and selection di¡erentials for di¡erent components of sexual selection in manipulated birds are strongly positively correlated with di¡erentials in unmanipulated birds. Age and sex di¡erences in tail length, and geographical patterns of sexual size dimorphism, are also consistent with sexual selection theory, but inconsistent with a purely natural selection advantage of long outermost tail feathers in male barn swallows. | en_US |
dc.description.sponsorship | A.P.M. was supported by the Danish Natural Sciences Research Council, S.M. by a postdoctoral grant fromthe Spanish Ministry of Education, A.B. by a Marie Curie postdoctoral grant of the European Communities, and F.deL. by Spanish DGICYT (PB 95020). | en_US |
dc.format.extent | 25088 bytes | - |
dc.format.mimetype | application/msword | - |
dc.language.iso | eng | en_US |
dc.publisher | Royal Society (Great Britain) | en_US |
dc.rights | closedAccess | en_US |
dc.subject | Aerodynamics | en_US |
dc.subject | Costs of sexual selection | en_US |
dc.subject | Hirundo rustica | en_US |
dc.subject | Reliable signalling | en_US |
dc.subject | Tail manipulation | en_US |
dc.title | Sexual selection and tail streamers in the barn swallow | en_US |
dc.type | artículo | en_US |
dc.identifier.doi | 10.1098/rspb.1998.0309 | - |
dc.description.peerreviewed | Peer reviewed | en_US |
dc.relation.publisherversion | http://dx.doi.org/10.1098/rspb.1998.0309 | en_US |
dc.type.coar | http://purl.org/coar/resource_type/c_6501 | es_ES |
item.openairetype | artículo | - |
item.grantfulltext | none | - |
item.cerifentitytype | Publications | - |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.fulltext | No Fulltext | - |
item.languageiso639-1 | en | - |
Aparece en las colecciones: | (EEZA) Artículos (MNCN) Artículos |
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