adult, thick-billed form (California, USA; 2006-11-04)
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Fox Sparrow
Passerella iliaca
Native Range:
North America
Notes: resembles Song Sparrow but larger-bodied, heavier-billed, and usually streaked more heavily; shows several distinct plumages and bill sizes depending on breeding location.
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adult, thick-billed form, yellow-gray bill (California, USA; 2006-11-04)
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spotted breast; rufous wings and tail (California, USA; 2006-10-28)
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rufous form; northern, eastern North America; (Oregon, USA; 2010-11-24)
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 sooty form, adult; dark body, dark lores (California, USA; 2007-12-04)
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uniformly brown above; dark flanks (California, USA; 2007-12-04)
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thick-billed form posing for portrait (California, USA; 2006-11-04)
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