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, March 26 2010, Merritt Island, FL, USA. Picture: Hart Rufe.

In many respects adult-like, including outer primaries, but note small black spot visible on centre of tertial.