Herring Gull
(argenteus) 3CY BTO GR-35599 January 23 2013, Boulogne-sur-Mer, NW France. Picture: Jean-Michel Sauvage.
This bird was ringed by Rye Bay Ringing Group as age 1st year , sex unknown on 22-Jul-2011 at Pett Level, Winchelsea, East Sussex, UK.
Few coverts and upper 2 tertials replaced in partial autumn moult.
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