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) 2cy: April 19 2002, Le Portel - Boulogne sur Mer, France (50.42 N - 01.34 E).

In this individual, all primaries are still present. Note the slightly paler inner primaries and the apical spots on the outer-web of these primaries. GBBG normally show only a small and often broken tail-band.

In the bottom image: P1 has been dropped.