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) 3rd cycle (3CY), September 03 2013, Stratford, CT, USA. Picture: Donna Rae Henault Caporaso.

P8 fully grown. Many immature markings, much black in tail and relatively small white tips on outer primaries.