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) JU883 1CY, November 09 2014, IJmuiden, the Netherlands. Picture: Robert van der Meer.

Bird ringed as pullus on July 02 2014 at Lauholmen Båly, Lindesnes, Vest-Agder, Norway.

Coverts and tertials juvenile. US=75-99%, LS=0%, tot scaps=25-50%.