Gull Research Organisation

Thayer's Gull (thayeri)

(last update: January 22, 2013)

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

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Thayer's Gull adult, February 15 2014, North Point Marina, Winthrop Harbor, IL. Picture: Maarten van Kleinwee.

Visit: Maarten's blog for many more images!

Pale iris. Thayeri pattern on P9 and P10, and only black on outerweb of P5. Orbital ring looks reddish in this bird, and together with the pale eye remembers of Herring Gull.