Clark’s Grebe is very similar in appearance to Western Grebe, but has a yellower bill and its red eye is isolated against the white face instead of being encompassed by the black cap as in the Western.
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Clark’s Grebe
Long Lake NWR, Kidder County, ND
June 19, 2010 ©John Schwarz
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Clark’s Grebe
El Paso, TX
April 29, 2007 ©John Schwarz
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Clark’s Grebe (with dull yellow bill possibly a hybrid with Western Grebe)
Lake Hennessey, Napa County, CA
September 16, 2011 ©John Schwarz