Lesser Black-backed Gull graellsii LAAH adult, April 25 2014, Maasvlakte, the Netherlands. Picture: Merijn Loeve.
Could have been ringed as breeding adult, in 2009 at Zeebrugge (Voorhaven), West-Vlaanderen, Belgium (51°21'0''N 3°11'0''E).
Now breeding bird in the Netherlands.
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