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 (1st cycle), December 08 2012, Texas City Dike, Galveston County, Texas. Picture: Tripp Davenport.

Dark parts on undertail coverts are darkest part of the bird from below. Note much black in tail.