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) NLA 7105677 2cy, January 11 2013, Boulogne sur Mer, France. Picture Jean-Michel Sauvage.

Ringed as pullus on June 19 2012 at island Griend, the Netherlands (53° 15' 0, 5° 15' 0).

US: 75-99%, LS: 1-25%, TOT SCAPS: 25-50%. Coverts and tertials juvenile.