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) sub-adult, January 02 2010, Choshi, Japan. Picture: Chris Gibbins.

Please visit Chris's Blog for many more pictures! This bird is not fully mature (note bill smudging and dark spots in the tail). Its eye is pale and completely unmarked. Legs almost ludicrously short.