Images of European Herring Gull Green YBXB – 2015 and 2018

Images of European Herring Gull Green YBXB in the years 2015 and 2018. It was ringed as a juvenile in the IJmuiden Forteiland colony, the Netherlands, in June 2015. I observed it in April, May, June and July of this year in the colony when it returned as a fourth-calendar year, very likely prospecting a …

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