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) R92 3CY-4CY, July 2014 & November 2015, Plum Island & Salisbury Beach. Picture: Margo Goetschkes & Steve Grinley & Eric Labato.

Banded on Appledore Island, banded as chick on July 18 2012. See website: The Gulls Of Appledore.

below: American Herring Gull (smithsonianus) R92 4th cycle (4CY), November 08 2015, Salisbury Beach. Picture: Eric Labato.

Bird still in complete moult, with outermost primaries growing.

below: American Herring Gull (smithsonianus) R92 pre-basic moult (3CY), July 19 2014, Plum Island, MA. Picture: Margo Goetschkes & Steve Grinley.

Bird in complete moult. P5 fully grown, with adult-like large white tip. P8-P10 old 2nd gen outer primaries. Old 2nd gen secondaries just visible underneath the moulting greater coverts.