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)

gbbg rings
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Great Black-backed Gull (Larus marinus) 14cy JJJ9 August 25 2012, Boulogne sur Mer, France (50.44 N - 01.35 E). Picture Jean-Michel Sauvage.

Bird ringed as pullus at Ytre Mannevær, Mandal, Vest-Agder, Norway (57°59'38"N 007°25'28"E), ringed on July 06 1999.

21.09 2001 Zeebrugge, West-Vlaanderen, Belgium 51°20'00"N 003°12'00"E
16.05 2006 Brennevinsmyra, Mandal, Vest-Agder, Norway 58°01'04"N 007°30'33"E
11.06 2006 Kubbøy, Søgne, Vest-Agder, Norway 58°00'56"N 007°47'54"E
19.08 2010 Schoorl aan Zee Strand, km 29, Noord-Holland, The Netherlands 52°41'48"N 004°38'06"E
11.07 2012 Kubbøy, Søgne, Vest-Agder, Norway 58°00'56"N 007°47'54"E
25.08 2012 Boulogne-sur-Mer harbour, Pas-de-Calais, France 50°43'34"N 001°35'04"E

Interestingly, no real winter observations for this ring. Real marine bird? Or perhaps a "hidden location" in Belgium, Holland. England, France "Seine maritime"?

P8-P10 old.