L. f. graellsii H24K November 01 2006, Landfill VRSU de Colmenar Viejo, Madrid, Spain. Picture: Delfín González.
Ringed 1cy 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 H24K and metal 4172140, ringed at Helgoland, Düne, Germany (54º 11´N/07º 55´ E). Pullus ringed on 15 July 2006, by Sönke Martens (S.Martens at KH-Itzehoe.de).
Scapulars replaced. US: 75-99%, LS: 25-50%, TOT SCAPS: 50-75%. Wing-coverts and tertials juvenile.
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