Herring Gull NOS FA22132 2cy (argentatus), October 26 2007,Westkapelle, the Netherlands (51.33N 03.25E).
A 2cy argenteus, ringed in Norway. P10 fully grown, PMS = 50. Partial autumn moult in the wing coverts (gc2 new) and tertials (tt2 new). No adult-like grey feathers yet.
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