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) adult, April 11 2012, Evergreen Cemetary, Maine. Picture: Bill Bunn.

Different wing tip patterns, including 'thayeri pattern' in left bird.