Lesser Black-backed Gull 3CY, May 20 2016, Katwijk, the Netherlands.
P8-P10 old 2nd gen. Left wing P4-P7 3rd gen, P3 old 2nd gen, P1-P2 missing. Right wing: P10-P8 old 2nd gen, P2-P7 3rd gen, P1 missing. Tail new 3rd gen, except for R5. Secondaries old 2nd gen, except for new S1-S2.
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