Herring Gull BLB L-102351 adult (argenteus), September 30 2010, Boulogne-sur-Mer, France. Picture: J-M Sauvage.
Bird ringed in Belgium, this kind of ring was normally used for LBBG. Probbaly individual from early 2000's (No data received yet). P6 fully grown, P10 still old.
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