Great Black-backed Gull (Larus marinus)

(last update: July 12, 2015)

Jean-Michel Sauvage (France)
Morten Helberg (Norway)
Nils Helge Lorentzen (Norway)
Mars Muusse (Netherlands)

Great Black-backed Gull (Larus marinus) 2cy JZ8M January 25 2005, Vlissingen, the Netherlands. Photo Frits.

An average 2cy January regarding moult score: all coverts still juvenile and almost all the scapulars moulted to second generation. The last moulted feathers are fresh and still show a ginger tone. 
In case you find blue ringed Great Black-backed Gulls, you can send your information to: Lista Ringing Group, Box 171, 4558 Vanse, Norway or on e-mail