American Herring Gull (smithsonianus)

(last update: October 30, 2015)

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

American Herring Gull (smithsonianus), sub-adult (4CY), February 14 2014, Lake County Fairground, Libertyville, IL. Picture: Maarten van Kleinwee.

Plesae visit: GULLS TO THE HORIZON, for more images.

Retarded bird, but adult-like inner and central primaries, many secondaries grey based with large white tips.