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 (smithsonianus) 2nd cycle (2CY), September 01 2012, St Joe's. MI. Picture: Amar Ayyash.

Bi-coloured bill. Pale iris. P9 fully grown, P10 halfway. PMS=49. Note dark undertail coverts, rump and tail.