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) JWC60 1CY, November 27 2015, IJmuiden, The Netherlands. Picture: Jan Zorgdrager.

Bird ringed as pullus in July 2015 at Græsholm SW, Hirsholmene, Frederikshavn, Nordjylland, Denmark.

US: 75-99%, LS: 25-50%, TOT SCAPS: 50-75%.