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 both webs.
P5 no black.

Streaked head with mid-grey upperparts: probably Scandinavian argentatus.