Herring Gull CP.AX 2cy (argenteus), July 15 2009, Boulogne-sur-Mer, France. Picture: J-M Sauvage.
Bird ringed at Zeebrugge, Belgium, 14 July 2008. Complete moult halfway: P5/P8. Central gc missing. Note two old central mc; the last to be replaced in this row.
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