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) 3cy, August 17 2014, 5-12 miles offshore from Berrien County, MI. Picture: Amar Ayyash.

Inner primaries adult-like grey, central primaries with blacksih subterminal bands. Old 2nd gen secondaries and tail. Moult in outer secondaries just started, note moult gap.