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    Herring Gull (argenteus) 2cy BTO GR-35613 April 24 & July 11 2012, Boulogne-sur-Mer, NW France. Picture: Jean-Michel Sauvage.Ring history not availabe, ringed in 2011 in the U.K. below: 2cy BTO GR-35613 July 11 2012, Boulogne-sur-Mer, NW France. Picture: Jean-Michel Sauvage.P5/P8. 
 below: 2cy BTO GR-35613 April 24 2012, Boulogne-sur-Mer, NW France. Picture: Jean-Michel Sauvage.All coverts and tertials juvenile. 
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