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) 32N 1cy-2cy, December 06 2013 & January 31 2014, Boulogne sur Mer, France. Picture Jean-Michel Sauvage.

Ringed as pullus on July 01 2013 in the urban colony of Le Havre, Seine maritime, Normandie.

History:
01/07/2013 - Le Havre, Seine-Maritime, Normandie
26/08/2013 - Le Havre Seine-Maritime FRANCE 49 29 N – 00 06 E D Le Guillou
18/09/2013 - Le Havre Seine-Maritime FRANCE 49 29 N – 00 06 E D Le Guillou
12/10/2013 - Boulogne-sur-Mer Pas-de-Calais FRANCE 50 44 N – 01 35 E JM Sauvage
27/10/2013 - Boulogne-sur-Mer Pas-de-Calais FRANCE 50 44 N – 01 35 E D Leuliet
11/11/2013 - Boulogne-sur-Mer Pas-de-Calais FRANCE 50 44 N – 01 35 E JM Sauvage
06/12/2013 - Boulogne-sur-Mer Pas-de-Calais FRANCE 50 44 N – 01 35 E JM Sauvage
12/12/2013 - Boulogne-sur-Mer Pas-de-Calais FRANCE 50 44 N – 01 35 E J-M. Sauvage
18/12/2013 - Boulogne-sur-Mer Pas-de-Calais FRANCE 50 44 N – 01 35 E J-M. Sauvage
23/12/2013 - Boulogne-sur-Mer Pas-de-Calais FRANCE 50 44 N – 01 35 E J-M. Sauvage
11/01/2014 - Boulogne-sur-Mer Pas-de-Calais FRANCE 50 44 N – 01 35 E J-M. Sauvage
15/01/2014 - Boulogne-sur-Mer Pas-de-Calais FRANCE 50 44 N – 01 35 E J-M. Sauvage
20/01/2014 - Boulogne-sur-Mer Pas-de-Calais FRANCE 50 44 N – 01 35 E J-M. Sauvage
31/01/2014 - Boulogne-sur-Mer Pas-de-Calais FRANCE 50 44 N – 01 35 E J-M. Sauvage

below: Great Black-backed Gull (Larus marinus) 32N 1cy, December 06 2013, Boulogne sur Mer, France. Picture Jean-Michel Sauvage.

Still completely juvenile plumage.

below: Great Black-backed Gull (Larus marinus) 32N 2cy, January 31 2014, Boulogne sur Mer, France. Picture Jean-Michel Sauvage.

Started to moult upper scapulars.