Lesser Black-backed Gull 2cy DDDC January 04 2013, Landfill VRSU de Colmenar Viejo, Madrid, Spain. Picture: Delfín González.
Ringed 2cy graellsii, ringed on 01 July 2012 at Havergate Island, Orford, Suffolk (TM4147), England.
US: 100%, LS: 100%, TOT SCAPS: 100%. All coverts (except a single LC) and tertials juvenile.
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