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), October 11 2012, Nemuro, Hokkaido, Japan. Picture: Shiroto.

Visit Shiroto's website for many more gull pictures from Japan!

Several upper scaps replaced for 2nd gen feathers. Bold pattern on wing-coverts (especially barring on inner GC) in this bird.