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) JL6M 2cy: September 09 2006, Papendrecht, the Netherlands. Picture Albert de Jong.

CR-Code Blue with white code JL6M  Ringing Centre  Stavanger 

Species  Great Black-backed Gull (Larus marinus)  Sex      X  Age      Pull  Date  02.07.2005

Place Vest-Agder, NORWAY

P10 has to grow just a few inches. Partial autumn moult just started, with the upper tertial replaced again.