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) JE165 August 2012 - August 2013, Boulogne sur Mer, France (50.44 N - 01.35 E). Picture Jean-Michel Sauvage.

Bird ringed as breeding adult female in Mågeøerne Bogense, Syddanmark, Denmark (55°35'00"N 010°06'07"E), ringed on May 12 2011. Recoveries:

17.09 2011 Boulogne-sur-Mer harbour, Pas-de-Calais, France 50°43'34"N 001°35'04"E (783 km)
22.08 2012 Boulogne-sur-Mer harbour, Pas-de-Calais, France.
25.09 2012 Boulogne-sur-Mer harbour, Pas-de-Calais, France JMS
13.04 2013 - Sex (F) - Mågeøerne, Bogense, Syddanmark, Denmark 55°35'00"N 010°06'07"E 
29.08 2013 - Boulogne-sur-Mer harbour, Pas-de-Calais, France JMS

below: marinus adult JE165 August 29 2013, Boulogne sur Mer, France (50.44 N - 01.35 E). Picture Jean-Michel Sauvage.

Moult score: P5/P8.

below: marinus adult JE165 September 25 2012, Boulogne-sur-Mer, NW France. Picture: Jean-Michel Sauvage.

P6/P10. Note missing central GC.

below: marinus adult JE165 August 22 2012, Boulogne sur Mer, France (50.44 N - 01.35 E). Picture Jean-Michel Sauvage.

Moult score: P4/P7.