Thayer's Gull (thayeri)(last update: January 22, 2013) |
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Thayer's Gull adult, mid-January 2014, central California, US. Picture: Amar Ayyash.Visit: Amar's blog for many more images! Present flock of about >600 birds (170 1st cycles, 100 2nd cycles, 40 3rd cycles, 350 adults). Purple orbital ring. Red gonys spot on lower mandible continues on upper mandible; some black on lower mandible. Pinkish base of bill. Speckling: 75-99% (overall brown iris). Primaries greyish-black. Thayeri pattern on P10 (see underside). Very bulky bird, strong neck and high-placed eye in this image all might indicate male? |