2CY Herring Gull Black JL529 – 20141224

Images of second-calendar year Herring Gull Larus argentatus Black JL529, seen in Leiden, the Netherlands 24 December 2014.

It was ringed as a pullus in Norway in June 2013. Note the white mirror on P10.




I also observed this gull in Leiden in March 2014. Since then it has visited Norway again in the months of June, July and August.

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