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) JU827 August 28-30 2014, Boulogne sur Mer, France. Picture Jean-Michel Sauvage.

Bird ringed as pullus on June 30 2014 at Store Slettingen, Mandal, Vest-Agder, Norway (57°57'47"N 007°29'42"E). Distance : 891 Km.

Moulting single feathers in upper scapular region, otherwise fresh juvenile.