La Tour du Valat

Institut de recherche pour la conservation des zones humides méditerranéennes

Titre :	Morphological and genetic analyses reveal the first Mediterranean occurrence of American Herring Gull Larus smithsonianus (2021)
Titre original:	Morphological and genetic analyses reveal the first Mediterranean occurrence of American Herring Gull Larus smithsonianus
Auteurs :	Salvador García-Barcelona, Auteur ; Tereza Senfeld, Auteur ; Thomas J. Shannon, Auteur ; J. Martin Collinson, Auteur ; Pim Edelaar, Auteur ; Asier Aldalur, Auteur ; Gabriel Martí, Auteur ; Juan Luis García-Mudarr, Auteur ; Javier Juste, Auteur
Type de document :	Article
Dans :	Revista Catalana d'Ornitologia (37 2021)
Article en page(s) :	1-9
Mots-clés:	oiseau reedbed acrocephalus RW migrateur migration distance coût budget vitesse ESPAGNE anglais
Résumé :	We report here the first record of an American Herring Gull Larus smithsonianus in a Medi- terranean coastal site (18 February–14 March 2019, Fuengirola, Malaga, S Spain). This gull was an adult bird and its identification was confirmed by a combination of mtDNA molecular analyses and morphological characters. This record furthermore stands as possibly the first ever adult bird of the ‘Niagara’ phenotype in Europe, which would indicate that it originated from the central region of USA/Canada or even from the west coast. This is the southernmost record of an adult bird of this species in the Western Palearctic and the eleventh for the Iberian Peninsula since 1991. Key words: American Herring Gull, Cytb, COI, gene sequence, mtDNA, vagrancy.

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