Gulls in NW Europe
(last update: September 25, 2011
Herring Gull 4cy, November 20 2012, Katwijk, the Netherlands.
Probably 4cy argenteus bird. Black sub-terminal bands on central primaries with sharp divisions.
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Herring Gull 4cy, November 20 2012, Katwijk, the Netherlands.Probably 4cy argenteus bird. Black sub-terminal bands on central primaries with sharp divisions.
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