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 (Larus marinus) adult: August 2000, Boulogne sur Mer, France (50.42 N - 01.34 E).

Outer primaries p8-p10 still have to be shed.