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) JW187 3CY, March 01 2012, Boulogne sur Mer, France (50.44 N - 01.35 E). Picture Jean-Michel Sauvage.

Bird ringed in Denmark in 2010.

30.06 2010 pull Græsholm, Hirsholmene, Frederikshavn, Nordjylland, Denmark 57°29'32"N 010°36'30"E
22.07 2011 Le Portel beach, Pas-de-Calais, France 50°42'48"N 001°34'06"E
07.08 2011 Le Portel beach, Pas-de-Calais, France 50°42'48"N 001°34'06"E
31.08 2011 Le Portel beach, Pas-de-Calais, France 50°42'48"N 001°34'06"E
13.09 2011 Le Portel beach, Pas-de-Calais, France 50°42'48"N 001°34'06"E 440 956 Map
04.01 2012 Boulogne-sur-Mer harbour, Pas-de-Calais, France 50°43'34"N 001°35'04"E
15.02 2012 Bassin de la Liane, Outreau, Pas-de-Calais, France
01.03.2012 Boulogne-sur-Mer harbour, Pas-de-Calais, France

2nd gen primaries and only few 3rd gen wing-coverts.