Herring Gull (argentatus & argenteus)

(last update: February 11, 2013)

Herring Gull (argentatus) adult, March 10 2014, Katwijk, the Netherlands.

Upperpart grey tone and limited black in wing suggest nominate argentatus from N Scandinavia, or maybe hybrid Herring Gull x Glaucous Gull. See also HERE.

P10: no sub-terminal and limited medial band; only little black on innerweb.
P9: full sub-terminal and very little medial band; hardly any black on innerweb.
P7: broken black band.
P6: broken black band.
P5: no black.