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) JZ305 2CY, October 20 2015, Boulogne-sur-Mer, France. Picture: Jean-Michel Sauvage.

Ringed as pullus on July 02 2014 at Knogen, Læsø, Nordjylland, Denmark (57°16'49"N 011°10'34"E ).

Recoveries:
20/10/2015 - Boulogne-sur-Mer "bassin Loubet", Pas-de-Calais, France 50°43'38"N 001°35'14"E - 960Km
First observation.

P8 fully grown, P10 still present (a very unusual score for this species).