Thayer's Gull (thayeri)

(last update: January 22, 2013)

Coordinators:
Amar Ayyash (USA)
Mars Muusse (Netherlands)

Thayer's Gull 1st cycle, December 12 2011, Recology Plant, Stanislaus County, CA. Picture: Oscar Johnson.

Visit: Oscar's Flickr photostream.

Pale window on inner primaries and tail almost completely dark.