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.
![](../lbbgnovdec/images/merijn/NB-BZ juni 2015 - broedvogel kolonie Markweg - geringd in 2014 Markweg, Europoort 03.jpg)
Above: May 21 2015.
Below: March 30 2015.
![](../lbbgnovdec/images/merijn/NB-BZ mei 2015 - broedvogel kolonie Markweg - geringd in 2014 Markweg, Europoort 01.jpg)
![](../lbbgnovdec/images/merijn/NB-BZ mei 2015 - broedvogel kolonie Markweg - geringd in 2014 Markweg, Europoort 02.jpg)
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