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) JZ11 August 22 2010 & September 10 2011, Boulogne sur Mer, France (50.44 N - 01.35 E). Picture Jean-Michel Sauvage.

Bird ringed at Brekne, Farsund, Vest-Agder, Norway (58°05'55"N 006°35'18"E) as adult.

10.08.2008 Brekne, Farsund, Vest-Agder, Norway 58°05'55"N 006°35'18"E adult.
13.09 2008 Boulogne-sur-Mer, Pas-de-Calais, France 50°43'40"N 001°35'16"E 34
17.09 2008 Boulogne-sur-Mer, Pas-de-Calais, France 50°43'40"N 001°35'16"E 38
26.10 2008 Boulogne-sur-Mer, Pas-de-Calais, France 50°43'40"N 001°35'16"E 77
22.08 2010 Boulogne-sur-Mer, Pas-de-Calais, France 50°43'36"N 001°34'48"E 742
01.09 2010 Boulogne-sur-Mer Harbour, Pas-de-Calais, France 50°43'36"N 001°34'48"E
11.09 2010 Boulogne-sur-Mer beach, Pas-de-Calais, France 50°43'54"N 001°35'31"E
30.11 2010 Wimereux Plage, Pas-de-Calais, France 50°46'18"N 001°36'06"E
21.01 2011 Boulogne-sur-Mer beach, Pas-de-Calais, France 50°43'54"N 001°35'31"E
28.08 2011 Boulogne-sur-Mer Harbour, Pas-de-Calais, France 50°43'33"N 001°35'04"E
08.09 2011 Boulogne-sur-Mer Harbour, Pas-de-Calais, France 50°43'36"N 001°34'48"E
10.09.2011 Boulogne sur mer,Pas-de-Calais,France

below: JZ11 August 22 2010, Boulogne sur Mer.

P5 / P8.

below: JZ11 September 10 2011, Boulogne sur Mer.

P4 / P8. Late this year...