Lesser Black-backed Gull 3CY, May 22 2014, Katwijk, the Netherlands.
3CY graellsii type bird. Primaries and secondaries 2nd generation. Several rectrices replaced recently on the wintering grounds. Complete moult started: P1-P2 dropped, P3-P10 old 2nd generation, inner primaries with white tips. Note fresh MC.
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