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) J3TR 2cy: March 22-24 2008, Boulogne sur Mer, France (50.44 N - 01.35 E). Picture Jean-Michel Sauvage.

Bird ringed as pullus at Karmoy (Ferkingstadoyane), Norway, on July 07 2007.
Photo from the port of Boulogne-sur-Mer, Pas-de-Calais, France on March 24 2008.
Distance travelled: 971 Km.

Scapulars replaced for 2nd gen feathers, wing-coverts and tertials still juvenile.