Herring Gull (argentatus & argenteus)

(last update: February 11, 2013)

Herring Gull argentatus X014 2CY, November 16 2016, Katwijk, the Netherlands.

Ringed as pullus in 2015 at Warnemünde, Germany. Data pending.

Some inner wing-coverts and upper tertials replaced in partial autumn moult.