Herring Gull (argentatus & argenteus)

(last update: February 11, 2013)

Herring Gull argentatus adult, December 06 2013, Noordwijk, the Netherlands.

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

P10: no sub-terminal and no medial band; hardly any black on innerweb.
P9: no sub-terminal and no medial band; hardly any black on innerweb; left wing seems to show small black sub-terminal spot though.
P6: black on outer-web only.
P5: no black.