American Herring Gull (smithsonianus)

(last update: October 30, 2015)
Coordinators:
Amar Ayyash (US)
Bruce Mactavish (Canada)
Dave Brown (Canada)
Mars Muusse (Netherlands)

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American Herring Gull (smithsonianus), sub-adult (4CY), February 16 2014, BP Whiting refiney, IN. Picture: Maarten van Kleinwee.

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

Small mirror on P10. Isolated clear black spots in secondaries. Much black in tail. Also, black markings on lesser coverts and on greater primary coverts. Black band on bill.