Herring Gull (argentatus & argenteus)

(last update: February 11, 2013)

Herring Gull (argenteus) 4.E 5CY, May 10 2018, Maasvlakte, the Netherlands.

Data pending, probably ringed as pullus on June 28 2014 at Europoort (Dintelhaven), Zuid-Holland, the Netherlands (5157.00 N 406.00 E). Ringer: Hans Keijser.

P1-P10 old. Black on outerweb of P5. Black on bill.