Lesser Black-backed Gull graellsii 1S 4CY & 12CY, May 2006 & May 2014, Moerdijk-Sassenplaat, the Netherlands. Picture: Merijn Loeve & Roland-Jan Buijs.
Ringed as 4CY on May 16 2006 at Moerdijk, the Netherlands.
Lesser Black-backed Gull graellsii 1S 12CY, May 13 2014, Sassenplaat, the Netherlands. Picture: Merijn Loeve.
Female, probably with partner.
Lesser Black-backed Gull graellsii 1S 4CY, May 16 2006, Moerdijk, the Netherlands. Picture: Roland-Jan Buijs.
Ringed and measured as male in 2006.
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