Lesser Black-backed Gull YB?? 2CY, September 06 2013, Comenar Viejo, Madrid, Spain (40°15'41"N 003°38'00"W). Picture: Delfín Gonzalez.
Ringed as pullus in 2012 at IJmuiden, the Netherlands. Code not read completely. Moulting bird with outer primary still old, juvenile P10.

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