American Herring Gull (smithsonianus)

(last update: October 30, 2015)
Coordinators:
Amar Ayyash (US)
Bruce Mactavish (Canada)
Dave Brown (Canada)
Mars Muusse (Netherlands)

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Slaty-backed Gull (schistisagus) 1st cycle (1CY), October 02 2007, Isohama, Tsuri-shihama, Japan. Picture: Shigenobu Aizawa.

Please visit Aizawa's Blog for many more pictures!

Autumn first cycle bird, still in juvenile plumage. Boat-shaped bird with heavy bill, dark head and dark tail, overall brown aspect, including greater coverts.