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) 6K8 moulting into 3rd cycle (3CY), August 24 2012, Jones Beach, NY. Picture: Bob Anderson.

Visit Bob's Flickr photostream.

Banded as pullus on July 15 2010 on Appledore Island, ME.

Bird in complete moult with outer primaries very worn, old 2nd generation with a mirror on P10. P7 fully grown 3rd gen.