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Colour morph does not predict brood size in the Booted Eagle.

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Colour morph does not predict brood size in the Booted Eagle.

dc.contributor.author	Martínez, José Enrique
dc.contributor.author	Calvo, José Francisco
dc.contributor.author	Jiménez Franco, Maria Victoria
dc.contributor.author	Zuberogoitia, Iñigo
dc.contributor.author	López López, Pascual
dc.date.accessioned	2017-06-02T11:39:15Z
dc.date.available	2017-06-02T11:39:15Z
dc.date.issued	2016
dc.identifier.citation	Martínez, José Enrique Calvo, José Francisco Jiménez Franco, Maria Victoria Zuberogoitia, Iñígo López López, Pascual 2016 Colour morph does not predict brood size in the Booted Eagle. Ornis Fennica 93 130 136
dc.identifier.uri	http://hdl.handle.net/10550/58835
dc.description.abstract	Mechanisms regulating colour polymorphism remain largely unknown and detailed investigation is required to explore the biological consequences on population dynamics. This paper presents the first study of the possible connection between colour polymorphism and productivity in a Booted Eagle (Aquila pennata) population breeding in southeastern Spain. To that end we used 19 years of data of non-marked individuals. A total of 738 pale (91.6%) and 68 dark (8.4%) adult Booted Eagles were observed in our study area, including 57 territories. Our results suggest that colour morph of both sexes remained stable in the population over the study period. Although we found a higher number of offspring produced by parents exhibiting the dark morph than those of the pale morph, statistical differences were not significant. Hence, our models showed that colour polymorphism was not a good predictor of Booted Eagles'productivity, although further research by capture-recapture analysis would be needed to explore the influence of colour variation on fitness components at individual level and its consequences at population level of long-lived species.
dc.language.iso	eng
dc.relation.ispartof	Ornis Fennica, 2016, vol. 93, p. 130-136
dc.subject	Zoologia
dc.subject	Ecologia animal
dc.title	Colour morph does not predict brood size in the Booted Eagle.
dc.type	journal article	es_ES
dc.date.updated	2017-06-02T11:39:15Z
dc.identifier.idgrec	118206
dc.rights.accessRights	open access	es_ES