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) 1st cycle / 2cy, February 26 2012, Chicago IL, USA. Picture: Amar Ayyash.

Odd bird, as it probably shows a small amount of 2nd gen wing-coverts.