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) 4cy Washington 1146 March 10 2012, Rockland Harbor, Rockland, Maine. Picture: Jonathan Mays.

Large mirror on P10 and prominent white tips (albeit worn by March) on outer primaries. Ring code not complete.