American Herring Gull (smithsonianus)

(last update: October 30, 2015)
Coordinators:
Amar Ayyash (US)
Bruce Mactavish (Canada)
Dave Brown (Canada)
Mars Muusse (Netherlands)

smith rings
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smith 1cy August
smith 1cy September
smith 1cy October
smith 1cy November
smith 1cy December

smith 2cy January
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smith 2cy December

smith 3cy January
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smith 3cy May
smith 3cy June
smith 3cy July
smith 3cy August
smith 3cy September
smith 3cy October
smith 3cy November
smith 3cy December

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smith sub-ad May
smith sub-ad June
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smith sub-ad August
smith sub-ad September
smith sub-ad October
smith sub-ad November
smith sub-ad December

smith ad January
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smith ad July
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smith ad December

American Herring Gull (smithsonianus) adult, December 09 2012, Surfside Beach, Follett's Island, Texas. Picture: Tripp Davenport.

Greater primary coverts seem to be grey, without dark centres; hence considered full adult.