Gulls in NW Europe
(last update: September 25, 2011
Herring Gull 3cy (argentatus), January 06 2012, Katwijk, the Netherlands.
Upper bird, showing upperwing and tail pattern. Probably northern origin, but unringed.
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Herring Gull 3cy (argentatus), January 06 2012, Katwijk, the Netherlands.Upper bird, showing upperwing and tail pattern. Probably northern origin, but unringed.
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