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 3cy October

 

9606jtv5.jpg (71798 bytes)Great Black-backed Gull (Larus marinus) 3cyJTV5 October 11 2003, Westkapelle, the Netherlands (51.33N - 03.25E).
The primary moult almost completed.
8471j52c.jpg (85052 bytes)Great Black-backed Gull (Larus marinus) 3cy J7RU October 18 2008, Boulogne sur Mer, France (50.44 N - 01.35 E). Picture Jean-Michel Sauvage.
gbbgGreat Black-backed Gull (Larus marinus) 3cy J49L October 07 2009, Westkapelle, the Netherlands.
8471j52c.jpg (85052 bytes)Great Black-backed Gull (Larus marinus) JE246 3CY, October 12 2014, Boulogne sur Mer, France. Picture Jean-Michel Sauvage.
8471j52c.jpg (85052 bytes)Great Black-backed Gull (Larus marinus) 3cy JE456 October 29 2011, Boulogne sur Mer, France (50.44 N - 01.35 E). Picture Jean-Michel Sauvage.
8471j52c.jpg (85052 bytes)Great Black-backed Gull (Larus marinus) 2cy-5cy JH373 2011, 2012 & 2014, Boulogne sur Mer, France (50.44 N - 01.35 E). Picture Jean-Michel Sauvage.
8471j52c.jpg (85052 bytes)Great Black-backed Gull (Larus marinus) 3CY JH617 October 04 2013, Boulogne sur Mer, France. Picture Jean-Michel Sauvage.
8471j52c.jpg (85052 bytes)Great Black-backed Gull (Larus marinus) JW209 May 2011 & October 2012, Boulogne sur Mer, France (50.44 N - 01.35 E). Picture Jean-Michel Sauvage.
8471j52c.jpg (85052 bytes)Great Black-backed Gull (Larus marinus) 3cy 76D October 26 2011, Boulogne sur Mer, France (50.44 N - 01.35 E). Picture Jean-Michel Sauvage.
8471j52c.jpg (85052 bytes)Great Black-backed Gull (Larus marinus) 1347-01690 3CY, October 12 2004, Viana do Castelo, Portugal. Picture: Visa Rauste.
6735.jpg (70960 bytes)Great Black-backed Gull (Larus marinus) 3cy: October 01 2001, Le Portel - Boulogne sur Mer, France (50.42 N - 01.34 E).
The general appearance in autumn: a dark blackish saddle created by the replaced scapulars and mantle, old barred coverts, combined with primary moult. Primary p7 has been replaced, while p10 is still old. Note the bill coloration.
7095jp36.jpg (66909 bytes)Great Black-backed Gull (L. marinus) 3cy, October 11 2011, Scheveningen, the Netherlands.