Thayer's Gull (thayeri)

(last update: January 22, 2013)

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

Thayer's Gull adult, December 14 2013, Whiting, IN. Picture: Amar Ayyash.

Visit: Amar's blog for many more images!

With thayeri pattern on P10 & P9 and full sub-terminal black on P5. Note broad tertial tips. Amber iris with much speckling (25-50%).