adult, thick-billed form (California, USA; 2006-11-04)

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.

adult, thick-billed form, yellow-gray bill (California, USA; 2006-11-04)

spotted breast; rufous wings and tail (California, USA; 2006-10-28)

rufous form; northern, eastern North America; (Oregon, USA; 2010-11-24)

sooty form, adult; dark body, dark lores (California, USA; 2007-12-04)

uniformly brown above; dark flanks (California, USA; 2007-12-04)

thick-billed form posing for portrait (California, USA; 2006-11-04)