Lesser Black-backed Gull graellsii B= adult & partner B0 adult, April 07 & 20 2015, Maasvlakte - Europoort, the Netherlands. Picture: Merijn Loeve.
Blue (white inscription) tibia B= and black ring on other tibia. And partner: blue (white inscription) tibia B0 and black ring on other tibia, ringed in breeding season 2014 as breeding adult at this very location at Europoort, the Netherlands.
above: 07 April 2015.
below: 20 April 2015.
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