Thayer's Gull (thayeri)

(last update: January 22, 2013)
Coordinators:
Amar Ayyash (USA)
Mars Muusse (Netherlands)

thayers rings
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Glaucous-winged x Herring Gull adult, December 30 2011, Tukwila, WA. Picture: Amar Ayyash.

There seemed to be no shortage of Glaucous-winged x Herrings in Washington (so called Cook Inlet Gulls). These individuals tend to show smaller bills than Olympics.