Thayer's Gull (thayeri)(last update: January 22, 2013) |
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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! Peppered iris. Thayeri pattern visible on P9 and P10 and only black on outerweb of P5. |