Great Black-backed Gull (Larus marinus)

(last update: July 12, 2015)
Coordinators:
Jean-Michel Sauvage (France)
Morten Helberg (Norway)
Nils Helge Lorentzen (Norway)
Mars Muusse (Netherlands)

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Great Black-backed Gull (Larus marinus) JU402 1CY, October 12 2014, Boulogne sur Mer, France. Picture Jean-Michel Sauvage.

Ringed as pullus on June 29 2014 at Bålholmen, Ålesund, Møre og Romsdal, Norway (62°28'07"N 006°10'14"E).

History:
29.06 2014 Bålholmen, Ålesund, Møre og Romsdal, Norway - 62°28'07"N 006°10'14"E
09.08.2014 - 07.09.2014 West-Terschelling "Harbour", Terschelling, The Netherlands - 53°21'51"N 005°13'15"E
27.09 et 12.10.2014 Boulogne-sur-mer,Pas-de-Calais, Fr

Most scaps replaced, except for the rear lower scaps. Coverts and tertials still juvenile.