La Tour du Valat

Institut de recherche pour la conservation des zones humides méditerranéennes

Titre :	Integrative taxonomy reveals Europe's rarest songbird species, the Gran Canaria blue chaffinch Fringilla polatzeki
Auteurs :	George Sangster, Auteur ; Felipe Rodríguez-Godoy, Auteur ; C. S. Roselaar, Auteur ; Magnus S. Robb, Auteur ; Jolanda A. Luksenburg, Auteur
Type de document :	Article
Dans :	Journal of Avian Biology (47(2) MAR 2016)
Article en page(s) :	159-166
Langues:	Anglais
Résumé :	The conservation of endangered taxa often critically depends on accurate taxonomic designations. The status of the Gran Canaria population of the blue chaffinch Fringilla teydea polatzeki has not been reevaluated since the early 1900s when this taxon was described as a subspecies and combined with the much more common Tenerife blue chaffinch F. t. teydea in a single species. We show that multiple diagnostic differences in plumage, songs, calls and morphometrics distinguish F. t. polatzeki from F. t. teydea. Preliminary playback experiments suggest that F. t. polatzeki is able to discriminate between songs of both taxa. Along with previously reported differences in mitochondrial DNA, these findings show that the blue chaffinches on Gran Canaria and Tenerife represent two distinctive species: F. polatzeki and F. teydea. Gran Canaria blue chaffinch is Europe's rarest passerine species and should be classified as critically endangered. Its long-term survival in the wild currently depends on a very small (

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