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) 2nd cycle / 3cy, January 21 2012, Chicago IL, USA. Picture: Amar Ayyash.

Upper tertials, innermost GC and inner MC replaced in partial autumn moult.