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) sub-adult, July 25 2012, Vinalhaven, ME., US. Picture: Keith Mueller.

Note black markings in tertials and on tail.