Gulls in NW Europe
(last update: September 25, 2011
Herring Gull (argenteus) 2cy BTO GR-15426 May 31 2012, Boulogne-sur-Mer, NW France. Picture: Jean-Michel Sauvage.
Ring history not availabe, ringed in 2011 in the U.K. Complete moult halfway: P7-P10 still old juvenile.
