Herring
Gull J5A 1cy (argenteus), November 12 2007, Boulogne-sur-Mer, France. Picture: J-M Sauvage.
Bird ringed at Calais, France on 14 July 2007. Almost all scapulars replaced: us = 100% 2g; ls = 50-75% 2g; total scaps = 75-99% 2g. Most recently replaced scapulars have a grey base.

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