American Herring Gull (smithsonianus)

(last update: October 30, 2015)

Coordinators:
Amar Ayyash (US)
Bruce Mactavish (Canada)
Dave Brown (Canada)
Mars Muusse (Netherlands)

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. Partial autumn moult in wing-coverts and tertials: TT1,3, GC1-3, MC1,2,47-9, LLC2-4, LC approx 8x. Almost completely grey saddle (except for rear lower scaps). Grey tone of fresh feathers darker than on smithsonianus.