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 July

 

7095jp36.jpg (66909 bytes)Great Black-backed Gull (Larus marinus) 3cy BTO 0658 July 10 2007, Boulogne / Mer, France. Picture Jean Michel Sauvage.
8471j52c.jpg (85052 bytes)Great Black-backed Gull (Larus marinus) 3cy J7RH July 16 2008, Boulogne sur Mer, France (50.44 N - 01.35 E). Picture Jean-Michel Sauvage.
9101.jpg (76303 bytes)Great Black-backed Gull (Larus marinus) 4T5 3cy, July 28 2013, Sandy Point Beach - Plum Island. Picture: Steve Arena.
9101.jpg (76303 bytes)Great Black-backed Gull (Larus marinus) 3cy, July 24 2013, IJmuiden, the Netherlands.
2131gbbg3cy.jpg (73985 bytes)Great Black-backed Gull (Larus marinus) 3cy: July 11 2002, Le Portel - Boulogne sur Mer, France (50.42 N - 01.34 E). Two images. Primary moult stage: p7 missing. All secondaries old second generation.