Great Black-backed Gull (Larus marinus)

(last update: October 12, 2011)

Coordinators:
Jean-Michel Sauvage (France)
Morten Helberg (Norway)
Nils Helge Lorentzen (Norway)
Mars Muusse (Netherlands)

Great Black-backed Gull (Larus marinus) J5RP April 2008, December 2011 & October 2012, Boulogne sur Mer, France (50.44 N - 01.35 E). 
Picture Jean-Michel Sauvage.

Bird ringed as pullus at Kalvehaue, Lindesnes, Vest-Agder, Norway (58°01'38"N 007°09'56"E) on July 04 2006.

Observations:
20.12 2006 Dungeness, Kent, Great Britain (50°55'29"N 000°56'34"E)
08.01 2007 Boulogne-sur-Mer, Pas-de-Calais, France (50°43'40"N 001°35'16"E)
13.01 2007 Le Portel beach, Pas-de-Calais, France (50°42'48"N 001°34'06"E)
27.01 2007 Boulogne-sur-Mer, Pas-de-Calais, France
07.04 2007 Boulogne-sur-Mer, Pas-de-Calais, France
07.05 2007 Boulogne-sur-Mer, Pas-de-Calais, France
09.05 2007 Boulogne-sur-Mer, Pas-de-Calais, France
29.12 2007 Boulogne-sur-Mer, Pas-de-Calais, France
08.01 2008 Boulogne-sur-Mer, Pas-de-Calais, France
09.01 2008 Boulogne-sur-Mer, Pas-de-Calais, France
06.02 2008 Boulogne-sur-Mer, Pas-de-Calais, France
02.04 2008 Boulogne-sur-Mer, Pas-de-Calais, France
20.09 2008 Boulogne-sur-Mer, Pas-de-Calais, France
17.11 2008 Outreau, Pas-de-Calais, France (50°42'21"N 001°36'33"E)
28.11 2008 Boulogne-sur-Mer, Pas-de-Calais, France
22.12 2008 Boulogne-sur-Mer, Pas-de-Calais, France
22.09 2009 IJmuiden Strand, Noord-Holland, The Netherlands (52°27'28"N 004°33'10"E)
16.10 2009 Neeltje Jans, Zeeland, The Netherlands (51°37'55"N 003°42'01"E)
11.12 2009 Boulogne-sur-Mer beach, Pas-de-Calais, France
30.05 2010 Hanangervannet, Farsund, Vest-Agder, Norway (58°04'32"N 006°43'59"E)
15.09 2010 Hvide Sande, fish harbour, Midtjylland, Denmark (56°00'14"N 008°07'22"E)
05.11 2010 Neeltje Jans, Zeeland, The Netherlands (51°37'55"N 003°42'01"E)
12.11 2010 Boulogne-sur-Mer harbour, Pas-de-Calais, France
28.01 2011 Boulogne-sur-Mer beach, Pas-de-Calais, France
05.03 2011 Boulogne-sur-Mer harbour, Pas-de-Calais, France
09.12 2011 Boulogne-sur-Mer harbour, Pas-de-Calais, France
18.12 2011 Boulogne-sur-Mer harbour, Pas-de-Calais, France
22.12 2011 Boulogne-sur-Mer harbour, Pas-de-Calais, France
25.01 2012 Boulogne-sur-Mer harbour, Pas-de-Calais, France
05.07 2012 Småskjæran Ramslandsvågen, Lindesnes, Vest-Agder, Norway 58°01'40"N 007°06'56"E
28.10 2012 Boulogne-sur-Mer harbour, Pas-de-Calais, France
30.10 2012 Boulogne-sur-Mer harbour, Pas-de-Calais,France

Probably a male.

below: J5RP 3cy, April 02 2008, Boulogne sur Mer, France (50.44 N - 01.35 E). Picture Jean-Michel Sauvage.

Feathers replaced in the partial autumn moult (autumn 2cy) still obvious.

below: J5RP 6cy December 09 2011, Boulogne sur Mer, France (50.44 N - 01.35 E). Picture Jean-Michel Sauvage.

below: J5RP 7cy October 30 2012, Boulogne sur Mer, France (50.44 N - 01.35 E). Picture Jean-Michel Sauvage.