| Lesser Black-backed Gull  6.Y3CY, June 22 2013, Noordwijk, the Netherlands. Picture Maarten van Kleinwee.Ringed as pullus white 6Y, ringed on July 11 2011 at Maasvlakte (Europahaven), Zuid-Holland,   the Netherlands (NL 5157.00 N 402.00 E). Single tail feather replaced  in winter,  'classic graellsii type'. Complete moult just started: P1 missing. 
 
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