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) JH283 4cy, January 10 2013, Boulogne sur Mer, France. Picture Jean-Michel Sauvage.

Ringed as pullus on 07 July 2010 at Merra, Lindesnes, Vest-Agder, Norway (58°01'31"N 007°18'15"E).

History:
19.11 2010 Grand-Fort-Philippe, Nord, France 51°00'09"N 002°06'14"E
19.02 2011 Outreau Bassin de la Liane, , Pas-de-Calais, France 50°42'21"N 001°36'33"E
09.01 2013 Boulogne-sur-Mer harbour, Pas-de-Calais, France

Bird with obvious immature vestiges.