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) R739 2CY, July 09 2015, Stellendam, the Netherlands. Picture: Pim Wolf.

Probably ringed as pullus on July 02 2014 at TURMANSÖREN, HÅLLNÄS, UPPLAND, SWEDEN (60º 37´N 17º 58´E).

Complete moult: P6/P9. Advanced bird.