Lesser Black-backed Gull graellsii BLB L913350 6CY, April 25 2015, Calais, NW France. Picture: Jean-Michel Sauvage.
Ringed as pullus on July 13 2010 at Zeebrugge, West-Vlaanderen, Belgium. Code read before at quai de la loire - Calais, last year on May 10 2014.
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