American Herring Gull (smithsonianus)

(last update: October 12, 2011)
Coordinators:
Amar Ayyash (US)
Bruce Mactavish (Canada)
Dave Brown (Canada)
Mars Muusse (Netherlands)

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Vega Gull (vegae) 2nd cycle, December 27 2009 - January 04 2010, Choshi, Japan. Picture: Chris Gibbins.

See Chris's BLOG.

2nd gen flight feathers, no mirror on P10. No partial autumn moult in wing-coverts and tertials. Grey tone of fresh feathers darker than on smithsonianus.