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 2cy August

1st PB moulting Herring Gull vs California Gull:

above: American Herring Gull (smithsonianus) 1st PB moult (2CY), August 04 2012, Maine. Picture: Dominic Mitchell.
below: California Gull (californicus) 1st PB moult (2CY) 1055-08887 August 12 2010, MacKerricher State Park, California. Picture: Brad Carlson.

East Coast birds
American Herring Gull (smithsonianus) J08 2CY, August 04 2010, Jenness Beach, NH. Picture: Lauren Kras.
American Herring Gull (smithsonianus) K30 2CY & 6CY, August 2011 & July-September 2015, Hampton Beach, NH. Picture: Gustine Silva-Burke, Robbie & Colleen Prieto.
American Herring Gull (smithsonianus) V34 August 24 2013 & January 11 2016, Jenness Beach, Rye & Hampton, NH. Picture: Lauren Kras, Robbie & Colleen Prieto.
American Herring Gull (smithsonianus) 1st PB moult (2CY) X40 August 24 2013, Jenness Beach, Rye, NH. Picture: Lauren Kras.
American Herring Gull (smithsonianus) 11C 2CY, August 26 2015, Hampton Beach State Park, NH. Picture: Robbie & Colleen Prieto.
American Herring Gull (smithsonianus) 2cy, August 04 2012, Maine, USA. Picture: Dominic Mitchell.
American Herring Gull (smithsonianus) 2cy, August 04 2012, Maine, USA. Picture: Dominic Mitchell.
American Herring Gull (smithsonianus), 2CY, August 08 2012, Plum Island, MA. Picture: Suzanne Sullivan.
American Herring Gull (smithsonianus) 2cy, August 04 2012, Maine, USA. Picture: Dominic Mitchell.
American Herring Gull (smithsonianus) 2cy, August 04 2012, Maine, USA. Picture: Dominic Mitchell.
American Herring Gull (smithsonianus) 2cy, August 04 2012, Maine, USA. Picture: Dominic Mitchell.
American Herring Gull (smithsonianus) 2cy, August 17 2014, 5-12 miles offshore from Berrien County, MI. Picture: Amar Ayyash.
American Herring Gull (smithsonianus) 2cy, August 17 2014, 5-12 miles offshore from Berrien County, MI. Picture: Amar Ayyash.