L. f. graellsii H873 December 12 2010, Landfill VRSU de Colmenar Viejo, 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.
Most scapulars still 2nd gen-like in pattern, no grey saddle. Several upper tertials and wing-coverts replaced in the partial autumn moult, now fresh with a grey base and neat broad fringes (e.g. mc).
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