Gulls in NW Europe
(last update: September 25, 2011
Herring Gull adult, October 07 2012, Noordwijk, the Netherlands.
P7 fully grown, P10 old. PMS=40. Greater primary coverts plain grey indicate full adult.
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Herring Gull adult, October 07 2012, Noordwijk, the Netherlands.P7 fully grown, P10 old. PMS=40. Greater primary coverts plain grey indicate full adult.
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