American Herring Gull (smithsonianus)

(last update: December 8, 2013)

Amar Ayyash (US)
Bruce Mactavish (Canada)
Dave Brown (Canada)
Mars Muusse (Netherlands)

European Herring Gull (argentatus) 1CY / 1st cycle, November 19 2013, Katwijk aan Zee, The Netherlands.

Dark on upperparts, greater covert bar and lacking the notched tertial fringes. Note however broadly spaced white lines on undertail coverts.