Thayer's Gull (thayeri)

(last update: January 22, 2013)

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

Thayer's Gull juvenile, December 19 2010, Hastings, Minnesota, US. Picture: Yann Kolbeinsson.

Visit: Yann's Flickr photostream.

Pale window on inner primaries.