Lesser Black-backed Gull (graellsii & intermedius)
(last update: May 17 2015)
Lesser Black-backed Gull graellsii BZ adult, March 30 & May 21 2015, Maasvlakte - Europoort, the Netherlands. Picture: Merijn Loeve.
Blue (white inscription) tibia BZ and black ring on other tibia, ringed in breeding season 2014 as breeding adult at this very location at Europoort, the Netherlands.
Above: May 21 2015.
Below: March 30 2015.