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) 2nd cycle / 2cy, September 01 2012, Berrien County, Michigan. Picture: Amar Ayyash.

P8 fully grown, P9-P10 growing. Moult gap in secondaries almost closed. Bird banded but code not read. Note dark undertail coverts, rump and tail.