Lesser Black-backed Gull graellsii F2 1CY, September 16 2015, Rotterdam, the Netherlands. Picture: Merijn Loeve.
Green tibia and black ring on other tibia, ringed as pullus in breeding season 2015 at Maasvlakte-Europoort, the Netherlands.
Color ring G[F2] and metal ring NLA 5.509.306, and left tibia with black ring. Ringed as pullus on July 09 2015 at Maasvlakte (Yangtzehaven), the Netherlands.
Post-juvenile moult started with several scaps missing/growing, and some inner LLC missing.
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