Thayer's Gull (thayeri)

(last update: January 22, 2013)

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

Thayer's Gull adult, December 30 2011, Tukwila, WA. Picture: Amar Ayyash.

Amar's blog.

Dark iris, purple orbital ring. Saturated yellow bill. Note large white tips on tertials.