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), October 14 2012, Mustang Island Beach, Port Aransas, Texas. Picture: Tripp Davenport.

Showing tail base and uppertail covert pattern. Note brown aspect.