Herring Gull (argentatus & argenteus)

(last update: February 11, 2013)

Herring Gull adult, February 12 2018, Katwijk, the Netherlands.

P10 without subterminal band.
P9 with full band, mirror on innerweb.
P5 with black spot on outerweb.

White-headed bird with pale grey upperparts: probably local argenteus.