Lesser Black-backed Gull 2CY, May 29 2017, Heemskerk, the Netherlands.
Bird is not ringed, no provenance on origin. Intermedius-type 2CY bird.
Post-juvenile moult include many inner wing-coverts and tertials. Also R1 replaced.
Complete moult started: P1-P2 missing.
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![](../lbbgoct/images/mei20172cy/t12cy19_38A2299.jpg)
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