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) JU008 1CY, December 11 2015, Terschelling, The Netherlands. Picture: Jaap Vink.

Bird ringed as pullus on June 26 2015 at Vest-Agder, S Norway.

Most scapulars are renewed to second generation feathers, except the lowest row (LLS).