Great Black-backed Gull (Larus marinus)

(last update: July 12, 2015)

Coordinators:
Jean-Michel Sauvage (France)
Morten Helberg (Norway)
Nils Helge Lorentzen (Norway)
Mars Muusse (Netherlands)

Great Black-backed Gull (Larus marinus) sub-adult, December 28 2010, Hollandsche IJssel, The Netherlands. Picture: Patrick Heuvelman.

Slightly too much black fro full adult? Probably best labeled "young adult".