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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smith 1cy August
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smith 1cy December

smith 2cy January
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smith 2cy December

smith 3cy January
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smith 3cy December

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American Herring Gull adult, December 10 2013, Half Moon Bay, California. Picture: Alvaro Jaramillo.

Deep pale tongue on underside of P10, in combination with full sub-terminal band. P9 pattern difficult, but probably very small or no mirror. Full band on P5.