Lesser Black-backed Gull graellsii 7W 7CY-8CY, April 08 2014 & March 23 2015, Maasvlakte, the Netherlands. Picture: Merijn Loeve.
Ringed as pullus on June 06 2008 at Moerdijk, the Netherlands by Roland-Jan Buijs.
Note elongated rear end in 2nd picture.
Above: April 08 2014.
Below: March 23 2015.
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