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), 1st cycle (2CY), February 18 2013, Revere Beach, MA. Picture: Suzanne Sullivan.

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Scaps replaced, coverts and tertials juvenile.