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)

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Great Black-backed Gull (Larus marinus) 2cy: September 30 2001, Le Portel - Boulogne sur Mer, France (50.42 N - 01.34 E).

Primary p10 still has to grow a few inches and is at the length of p7, p9 is fully grown. Greater coverts with variegated pattern. The most recently replaced coverts show buffish bases and a barred pattern. The outer median coverts have been shed.