L. f. graellsii H543 April 13 2008, Landfill VRSU de Pinto, Madrid, Spain. Picture: Delfín González.
Ringed 2cy graellsii, ringed in N Germany in the Helgoland-Amrum colonies. These colonies fall in the transition zone between continental graellsii "Dutch intergades" and Scandinavian intermedius. PVC yellow H.543 and metal N006307, ringed on Amrun/Norddorf, Quermarkenfeuer (54º40´N/8º 19´E) on 01 July 2007 as pullus.
Scapulars replaced. Tertials and wing-coverts juvenile, except maybe the upper tertial. Restricted post-juvenile moult in tertials and wing-coverts typical for graellsii.
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