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 adult December

 

 8902j43a.jpg (64885 bytes)Great Black-backed Gull J5RP (Larus marinus) 6cy: December 09 2011, Boulogne-sur-Mer, France (50.42 N - 01.34 E). Picture: J-M Sauvage.
8902j43a.jpg (64885 bytes)Great Black-backed Gull JHX9 (Larus marinus) 7cy: December 03 2012, Boulogne-sur-Mer, France (50.42 N - 01.34 E). Picture: J-M Sauvage.
8902j43a.jpg (64885 bytes)Great Black-backed Gull (Larus marinus) 5cy JX76 December 15 2011, Scheveningen, the Netherlands.
8902j43a.jpg (64885 bytes)Great Black-backed Gull (Larus marinus) 6cy JZ61 December 01-02 2012, Calais, France. Picture: J-M Sauvage.
2121gbbgad.jpg (50050 bytes)Great Black-backed Gull (L. marinus) J19X 6cy: December 15 2012, IJmuiden, The Netherlands.
7095jp36.jpg (66909 bytes)Great Black-backed Gull (L. marinus) 18cy NOS 370182 December 02 2012, Calais. Picture: J-M Sauvage.
7095jp36.jpg (66909 bytes)Great Black-backed Gull (L. marinus) 18cy NOS 360824 December 03 2012, Boulogne-sur-Mer, France (50.42 N - 01.34 E). Picture: J-M Sauvage.
8902j43a.jpg (64885 bytes)Great Black-backed Gull SK3T (Larus marinus) adult: December 10-19 2012, Boulogne-sur-Mer, France (50.42 N - 01.34 E). Picture: J-M Sauvage.
2121gbbgad.jpg (50050 bytes)Great Black-backed Gull (L. marinus) adult: December 15 2012, IJmuiden, The Netherlands. P10 growing. PMS=49.
2121gbbgad.jpg (50050 bytes)Great Black-backed Gull (L. marinus) adult: December 15 2012, IJmuiden, The Netherlands. P10 growing. PMS=49.
2121gbbgad.jpg (50050 bytes)Great Black-backed Gull (L. marinus) adult: December 15 2012, IJmuiden, The Netherlands. P10 growing. PMS=49.
2121gbbgad.jpg (50050 bytes)Great Black-backed Gull (L. marinus) adult: December 15 2012, IJmuiden, The Netherlands. P9 growing, P10 old. PMS=41/42. Late moult. Suggestion of growing S2? Lots of brown old coverts in wing.
2121gbbgad.jpg (50050 bytes)Great Black-backed Gull (L. marinus) adult: December 15 2012, IJmuiden, The Netherlands. P10 growing. PMS=49.
2121gbbgad.jpg (50050 bytes)Great Black-backed Gull (L. marinus) adult: December 15 2012, IJmuiden, The Netherlands. P9-P10 growing. PMS=47.
2121gbbgad.jpg (50050 bytes)Great Black-backed Gull (L. marinus) adult: December 15 2012, IJmuiden, The Netherlands. P9-P10 growing. PMS=47.
2121gbbgad.jpg (50050 bytes)Great Black-backed Gull (L. marinus) adult: December 15 2012, IJmuiden, The Netherlands. P10 growing. PMS=48.
2121gbbgad.jpg (50050 bytes)Great Black-backed Gull (L. marinus) adult: December 15 2012, IJmuiden, The Netherlands. P10 growing. PMS=49.
2121gbbgad.jpg (50050 bytes)Great Black-backed Gull (L. marinus) adult: December 15 2012, IJmuiden, The Netherlands. P9-P10 growing. PMS=46.
2121gbbgad.jpg (50050 bytes)Great Black-backed Gull (L. marinus) adult: December 15 2012, IJmuiden, The Netherlands. P10 growing. PMS=48.
2121gbbgad.jpg (50050 bytes)Great Black-backed Gull (L. marinus) adult: December 15 2012, IJmuiden, The Netherlands. P9-P10 growing. PMS=47.
2121gbbgad.jpg (50050 bytes)Great Black-backed Gull (Larus marinus) adult: December 03 2007, Den Oever, The Netherlands. Picture: Fred Visscher.
2121gbbgad.jpg (50050 bytes)Great Black-backed Gull (L. marinus) adult: December 15 2012, IJmuiden, The Netherlands. P10 growing. PMS=49.
2121gbbgad.jpg (50050 bytes)Great Black-backed Gull (L. marinus) adult: December 15 2012, IJmuiden, The Netherlands. P10 growing. PMS=48.
2121gbbgad.jpg (50050 bytes)Great Black-backed Gull (L. marinus) adult: December 15 2012, IJmuiden, The Netherlands.
9149.jpg (76564 bytes)Great Black-backed Gull (Larus marinus) adult: December 18 2009, IJmuiden, the Netherlands.
2121gbbgad.jpg (50050 bytes)Great Black-backed Gull (L. marinus) adult: December 15 2011, Scheveningen, The Netherlands.
2121gbbgad.jpg (50050 bytes)Great Black-backed Gull (L. marinus) adult: December 15 2012, IJmuiden, The Netherlands.
2121gbbgad.jpg (50050 bytes)Great Black-backed Gull (L. marinus) adult: December 15 2012, IJmuiden, The Netherlands.
2121gbbgad.jpg (50050 bytes)Great Black-backed Gull (L. marinus) adult: December 15 2012, IJmuiden, The Netherlands.
2121gbbgad.jpg (50050 bytes)Great Black-backed Gull (L. marinus) adult: December 15 2012, IJmuiden, The Netherlands.
2121gbbgad.jpg (50050 bytes)Great Black-backed Gull (L. marinus) adult: December 15 2012, IJmuiden, The Netherlands.
2121gbbgad.jpg (50050 bytes)Great Black-backed Gull (L. marinus) adult: December 15 2011, Scheveningen, The Netherlands.
2121gbbgad.jpg (50050 bytes)Great Black-backed Gull (L. marinus) adult: December 15 2012, IJmuiden, The Netherlands.
2121gbbgad.jpg (50050 bytes)Great Black-backed Gull (L. marinus) adult: December 15 2011, Scheveningen, The Netherlands.
2121gbbgad.jpg (50050 bytes)Great Black-backed Gull (Larus marinus) adult: December 19 2007, Amsterdam, The Netherlands. Picture: Robert Heemskerk.
2121gbbgad.jpg (50050 bytes)Great Black-backed Gull (Larus marinus) adult: December 12 2010, IJmuiden, The Netherlands. Picture: Mark Broeckaert.
2121gbbgad.jpg (50050 bytes)Great Black-backed Gull (Larus marinus) adult: December 30 2010, Amsterdam, The Netherlands. Picture: Ruud Altenburg.
2121gbbgad.jpg (50050 bytes)Great Black-backed Gull (Larus marinus) adult: December 31 2008, Brouwersdam, The Netherlands. Picture: Dirk Huitzing.
2121gbbgad.jpg (50050 bytes)Great Black-backed Gull (Larus marinus) adult: December 14 2008, Brouwersdam, The Netherlands. Picture: Ruurd Boonstra.
2121gbbgad.jpg (50050 bytes)Great Black-backed Gull (Larus marinus) adult: December 16 2005, Hoek van Holland, The Netherlands. Picture: Roy Beukers.
2121gbbgad.jpg (50050 bytes)Great Black-backed Gull (Larus marinus) adult: December 05 2008, Brouwersdam, The Netherlands. Picture: Jeroen Bes.
2121gbbgad.jpg (50050 bytes)Great Black-backed Gull (Larus marinus) adult: December 01 2008, Den Oever - Voorhaven, The Netherlands. Picture: Wiepko Lubbers.
2121gbbgad.jpg (50050 bytes)Great Black-backed Gull (Larus marinus) adult: December 03 2007, Den Oever - Voorhaven, The Netherlands. Picture: Wiepko Lubbers.
2121gbbgad.jpg (50050 bytes)Great Black-backed Gull (Larus marinus) adult: December 19 2006, Den Oever - Voorhaven, The Netherlands. Picture: Wiepko Lubbers.