Swainson's Thrush (Catharus ustulatus), Imperial Dam, Hidden Shores R.V. Park, Yuma County

This Swainson's Thrush was discovered and photographed by Gary Graves on 28 September 2010

Uncommon spring but casual fall migrant in the Lower Colorado River.  Only one fall record as of 1991 when the Birds of the Lower Colorado RiverValley was published. 

Uniform olive brown upperparts, buffy check and prominent eyering. 

28 September 2010, photo by Gary Graves

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