Herring Gull (argentatus & argenteus)

(last update: February 11, 2013)

Herring Gull 3CY, April 05 2015, IJmuiden, the Netherlands.

P1-P10 old 2nd generation; 2nd generation flight feathers, simliar to juvenile pattern but with finer spots and more vermiculated. Grey saddle, combined with brown inner primaries. Vermiculated marbling pattern on greater coverts. Two-coloured bill and pale iris.