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 (L. marinus) 16cy NOS 354288 October 18 2002, Moustafabaai - Maasvlakte, the Netherlands.

P7 fully grown and P8 is just slightly shorter than P7, no old primaries left. The complete moult in wing-coverts is completed. Ringed on 12 July 1987 as pullus at AGNESKJÆR, LINDESNES, V-AGDER, NORWAY (58.01N 07.10E).