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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American Herring Gull 2nd cycle (2CY), December 12 2013, Stevenson compost, Tompkins Co, NY. Picture: Kevin McGowan.

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2nd gen flight feathers, and most coverts also 2nd gen. Still no grey scaps. Limited partial autumn moult: TT1-2, GC1-3, MC1-2 replaced again, now 3rd gen feathers, but still much 2nd gen-like in pattern.