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) JP760 1-2cy: November 2012 & February 2013, Boulogne sur Mer, France. Picture Jean-Michel Sauvage.

Ringed as pullus on 05 July 2012 at Lauholmen Båly, Lindesnes, Vest-Agder, Norway (58°02'10"N 007°09'08"E).

History:
25.11 2012 Boulogne-sur-Mer harbour, Pas-de-Calais, France 50°43'34"N 001°35'04"E
26.11 2012 Boulogne-sur-Mer harbour, Pas-de-Calais, France 50°43'34"N 001°35'04"E
02.12 2012 Boulogne-sur-Mer harbour, Pas-de-Calais, France
15.12 2012 Boulogne-sur-Mer harbour, Pas-de-Calais, France
27.12 2012 Boulogne-sur-Mer harbour, Pas-de-Calais, France
15.01 2012 Boulogne-sur-Mer harbour, Pas-de-Calais, France
12.02 2012 Boulogne-sur-Mer harbour, Pas-de-Calais, France

US: 100%, LS: 75-99%, TOT SCAPS: 75-99%. Coverts and tertials juvenile.

below: JP760 2cy, February 12 2013, Boulogne-sur-Mer, France. Picture Jean-Michel Sauvage.

Two coverts replaced in winter.

below: JP760 1cy: November 27 2012, Boulogne sur Mer, France. Picture Jean-Michel Sauvage.