L. f. graellsii H.595 October 06 2009, Westkapelle, the Netherlands.
Ringed 3cy(?) Larus fuscus from N Germany, overlap zone of graellsii "Dutch intergrade" and intermedius. P1-P8 fully grown. Complete moult at very low pace, with the moult gaps closing, P9 growing and P10 still present. Outer secondaries replaced for 3rd gen, but the last group is still 2nd gen, and there seem to be no secondaries missing. Tail completely white.

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