| Herring Gull BLB H-132415 (argenteus), August 2008 & September 2010, Boulogne-sur-Mer, France. Picture: J-M Sauvage. Herring Gull BLB H-132415 5cy (argenteus), August 10 2008, Boulogne-sur-Mer, France. Picture: J-M Sauvage. Bird ringed in Belgium on 08 September 2005 as 2cy bird. P7-P10 old; new primaries (P4 tip) just visible underneath the tertials. 
 Herring Gull BLB H-132415 adult (argenteus), September 30 2010, Boulogne-sur-Mer, France. Picture: J-M Sauvage. P8 fully grown, no old prims left. 
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