American Herring Gull (smithsonianus)

(last update: October 30, 2015)

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

Slaty-backed Gull (schistisagus) 1st cycle (1CY), November 07 2011, Miura Kanagawa, Japan. Picture: Michiaki Ujihara.

Please visit Japanese Gull site for many more pictures!

Juvenile plumage, with some upper scaps replaced for 2nd gen feathers.