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) 2cy, August 17 2014, 5-12 miles offshore from Berrien County, MI. Picture: Amar Ayyash.

Typical 2cy bird. Second pre-basic moult almost finished: outermost primaries still growing and moult gap in inner secondaries.