Herring Gull (argentatus & argenteus)

(last update: February 11, 2013)

Herring Gull (argenteus) Y.BZX 2CY, October 10 2016, Katwijk, the Netherlands.

Data pending; ringed as pullus in 2015 at Forteiland - IJmuiden, the Netherlands.

P10 fully grown. Limited partial autumn moult in left wing: TT1 and LLC2.