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)

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Great Black-backed Gull 2cy December

 

 8471j52c.jpg (85052 bytes)Great Black-backed Gull (L. marinus) 2cy JH373 December 09 2011, Boulogne sur Mer, France (50.44 N - 01.35 E). Picture Jean-Michel Sauvage.
gbbgGreat Black-backed Gull (L. marinus) 2cy J38X December 02 2008, Westkapelle, the Netherlands.
8471j52c.jpg (85052 bytes)Great Black-backed Gull (L. marinus) 2cy 28K December 01 2012, Calais, France. Picture Jean-Michel Sauvage.
2121gbbgad.jpg (50050 bytes)Great Black-backed Gull (L. marinus) H70T 2cy, December 15 2012, IJmuiden, The Netherlands.
2121gbbgad.jpg (50050 bytes)Great Black-backed Gull (L. marinus) 2cy: December 15 2012, IJmuiden, The Netherlands. Probably female.
2121gbbgad.jpg (50050 bytes)Great Black-backed Gull (L. marinus) 2cy: December 15 2012, IJmuiden, The Netherlands.
2121gbbgad.jpg (50050 bytes)Great Black-backed Gull (L. marinus) 2cy: December 15 2012, IJmuiden, The Netherlands. 2cy trying to prevent a 1cy to take its fish.
2121gbbgad.jpg (50050 bytes)Great Black-backed Gull (L. marinus) 2cy: December 15 2012, IJmuiden, The Netherlands. Small mirror on P10. Probably female.
2121gbbgad.jpg (50050 bytes)Great Black-backed Gull (L. marinus) 2cy: December 15 2012, IJmuiden, The Netherlands. Probably female.
2121gbbgad.jpg (50050 bytes)Great Black-backed Gull (L. marinus) 2cy: December 15 2012, IJmuiden, The Netherlands.
2121gbbgad.jpg (50050 bytes)Great Black-backed Gull (L. marinus) 2cy: December 15 2012, IJmuiden, The Netherlands. Partial autumn moult in wing coverts obvious.
2121gbbgad.jpg (50050 bytes)Great Black-backed Gull (L. marinus) 2cy: December 15 2012, IJmuiden, The Netherlands. Rather advanced bird in upperparts.
2121gbbgad.jpg (50050 bytes)Great Black-backed Gull (L. marinus) 2cy: December 15 2011, Scheveningen, The Netherlands.
2121gbbgad.jpg (50050 bytes)Great Black-backed Gull (L. marinus) 2cy: December 15 2012, IJmuiden, The Netherlands. Resembling 1cy plumage.
2121gbbgad.jpg (50050 bytes)Great Black-backed Gull (L. marinus) 2cy: December 15 2012, IJmuiden, The Netherlands. Much resembling 1cy but note tail pattern and pattern on central greater coverts. Also small mirror on P10.
2121gbbgad.jpg (50050 bytes)Great Black-backed Gull (L. marinus) 2cy: December 15 2012, IJmuiden, The Netherlands. Much resembling 1cy but note tail pattern and pattern on central greater coverts.
2121gbbgad.jpg (50050 bytes)Great Black-backed Gull (L. marinus) 2cy: December 15 2012, IJmuiden, The Netherlands. Much resembling 1cy but note tail pattern and pattern on central greater coverts.
2121gbbgad.jpg (50050 bytes)Great Black-backed Gull (L. marinus) 2cy: December 15 2012, IJmuiden, The Netherlands.
2121gbbgad.jpg (50050 bytes)Great Black-backed Gull (L. marinus) 2cy: December 15 2012, IJmuiden, The Netherlands.
2121gbbgad.jpg (50050 bytes)Great Black-backed Gull (L. marinus) 2cy: December 15 2012, IJmuiden, The Netherlands. Probably female.
2121gbbgad.jpg (50050 bytes)Great Black-backed Gull (L. marinus) 2cy: December 15 2012, IJmuiden, The Netherlands.
2121gbbgad.jpg (50050 bytes)Great Black-backed Gull (L. marinus) 2cy: December 15 2011, Scheveningen, The Netherlands.
2121gbbgad.jpg (50050 bytes)Great Black-backed Gull (L. marinus) 2cy: December 15 2012, IJmuiden, The Netherlands. Trouble in the air.
2121gbbgad.jpg (50050 bytes)Great Black-backed Gull (L. marinus) 2cy: December 15 2012, IJmuiden, The Netherlands.
2121gbbgad.jpg (50050 bytes)Great Black-backed Gull (L. marinus) 2cy: December 15 2012, IJmuiden, The Netherlands. 2cy (right) with 1cy (left). Note underwing pattern.
2121gbbgad.jpg (50050 bytes)Great Black-backed Gull (L. marinus) 2cy: December 15 2012, IJmuiden, The Netherlands.
2121gbbgad.jpg (50050 bytes)Great Black-backed Gull (L. marinus) 2cy: December 15 2012, IJmuiden, The Netherlands. Probably female.
2121gbbgad.jpg (50050 bytes)Great Black-backed Gull (L. marinus) 2cy: December 15 2012, IJmuiden, The Netherlands. Yes it will go eventually.
2121gbbgad.jpg (50050 bytes)Great Black-backed Gull (L. marinus) 2cy: December 29 2010, Den Oever, The Netherlands. Picture: Wiepko Lubbers.
2121gbbgad.jpg (50050 bytes)Great Black-backed Gull (L. marinus) 2cy: December 30 2010, Amsterdam, The Netherlands. Picture: Ruud Altenburg.