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) JYM30 2cy: January 03-05 2014, Scheveningen, the Netherlands. Picture: Vincent van der Spek & Ed Schouten.

Ringed as pullus in 2013 in Denmark.

US: 100%, LS: 75-99%, TOT SCAPS: 75-99%. Tertials and coverts juvenile.