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, October 01 2011, Head Harbor Passage, New Brunswick, Canada. Picture: Jonathan Mays.

Active moult: P7 fully grown. Moult gap in secondaries and outer rectrices.