American Herring Gull (smithsonianus)

(last update: October 30, 2015)

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

American Herring Gull (smithsonianus) 4cy, January 03 2009, Gulf Coast - Texas, USA.

Picture by BD from Italy. Bird in third winter, with grey scapulars and median covert bar. Outer primaries lack obvious tips and much black in tail. Obvious bi-coloured bill. Note small mirror on P10.