Mystery Sparrow

Wednesday, May 16th, 2012

Anyone recognize this bird? There were two of them at the Mcllellan Ranch feeders (in Cupertino, CA) this morning and I didn’t bring a field guide with me on this trip:

MysterySparrow

Maybe a Lincoln’s Sparrow? a Juvenile Swamp Sparrow? a hybrid? unfamiliar subspecies of Song Sparrow? Nothing seems to quite fit.
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