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) 1st cycle (1CY), October 07 2016, Michigan City, IN. Picture: Amar Ayyash.

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1st cycle Herring with ~90% of scapulars 2nd generation. Bill is beginning to pale. Also of interest on this bird is a paling forehead, an attribute often found in similar-aged California Gulls. And last: note GC1-2 replaced for 2nd gen coverts.