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 adult July

 

9101.jpg (76303 bytes)Great Black-backed Gull (Larus marinus) 95C female: July & August 2013, Calais, France. Picture Jean-Michel Sauvage.
gbbg09704.jpg (81034 bytes)Great Black-backed Gull (Larus marinus) 2E2 adult, April 21 2012 - July 28 2013, Sandy Point Beach - Plum Island. Picture: Steve Arena, Jorge de Leon & Jeffrey Offermann.

2121gbbgad.jpg (50050 bytes)Great Black-backed Gull (Larus marinus) adult: July 11 2002, Le Portel - Boulogne sur Mer, France (50.42 N - 01.34 E). The all white tail, the bold white tips on the primaries and the lack of any black on the bill make it most likely to be in adult plumage.