L. f. graellsii NV.AT October 17 2010, Landfill VRSU de Colmenar Viejo, Madrid, Spain. Picture: Delfín González.
Ringed 1cy graellsii "Dutch intergrade" at the start of the 1st winter, ringed in summer 2010 in Zeebrugge, Belgium. Upper scapulars and part of the lower scapulars replaced. Visible wing-coverts and tertials still juvenile.
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