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) 1cy, December 30 2012, Shreveport, Louisiana, USA. Picture: Ronnie Maum.

Showing underwing. Relatively much proximal white at outer tail-feathers.