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) 1CY no code October 04 2013, Boulogne sur Mer, France. Picture Jean-Michel Sauvage.

Bird ringed with "pigeon ring", no scientific programme.

Single scapulars replaced.