American Herring Gull (smithsonianus)

(last update: October 30, 2015)

Coordinators:
Amar Ayyash (US)
Bruce Mactavish (Canada)
Dave Brown (Canada)
Mars Muusse (Netherlands)

American Herring Gull (smithsonianus) 1st & 2nd cycle (2CY) M04 February - March, December 2012, New Haven Harbor, Connecticut. Picture: Keith Mueller.

See website: The Gulls Of Appledore. Bird banded in summer, July 2011 at Appledore Island.

below: American Herring Gull (smithsonianus) 2nd cycle (2CY) M04 December 14 2012, New Haven Harbor, Connecticut. Picture: Keith Mueller.

Several scapulars replaced for adult-like grey feathers, but still no 'grey saddle', rather a mix of old 2nd gen-like brown feathers (which are probbaly at least 3rd gen)and grey feathers. Note feathers replaced in partial autumn moult: TT1-2, GC1-2, MC1, LLC2. Pale iris.

below: American Herring Gull (smithsonianus) 1st cycle (2CY) M04 March 07 2012, New Haven Harbor, Connecticut. Picture: Keith Mueller.

All scapulars replaced.

below: American Herring Gull (smithsonianus) 1st cycle (2CY) M04 February 24 2012, New Haven Harbor, Connecticut. Picture: Keith Mueller.