Thayer's Gull (thayeri)

(last update: January 22, 2013)

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

Thayer's Gull adult, November 23 2012, Lake County, IL. Picture: Amar Ayyash.

Visit: Amar's blog for many more images!

P9 fully grown, P10 growing. Pale yellow iris with some speckling (10-25%). With 2 Herring gulls.