Lesser Black-backed Gull graellsii T061 adult, May 01 2014 & April 07 2015, Maasvlakte, the Netherlands. Picture: Merijn Loeve.
Ringed in winter at Rainham tip (greater London), UK. Breeder in Maasvlakte colony.
Above: May 01 2014.
Below: April 07 2015.
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