La Tour du Valat

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Phenology of South Norwegian Great Black-backed gulls Larus marinus at Helgoland (German Bight)

Volker Dierschke, Auteur ; Nils Helge Lorentzen, Auteur

Dans Vogelwelt (Die) (127(1) 2006)

Based on observations of 55 colour-ringed individuals the occurrence of South Norwegian Great Black-backed Gulls on the island of Helgoland (German Bight) is described. Accordingly, birds marked as chicks along the skerries of Vest-Agder (Southe[...]

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