Thayer's Gull (thayeri)
(last update: January 22, 2013)
Thayer's Gull 1st cycle (2CY), February 01 2011, Monterey, CA. US. Picture: Peter Adriaens.
Bird in dark end of the spectrum, compare to this pale bird.
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Thayer's Gull 1st cycle (2CY), February 01 2011, Monterey, CA. US. Picture: Peter Adriaens.Bird in dark end of the spectrum, compare to this pale bird.
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