116 BIRDS OF SOUTH DAKOTA 



560a. Western Chipping Sparrow (Spizella passerina arizonae.) 



Similar to the eastern form, but paler above. Has been 

 taken in Fall River County. 



561. Clay-colored Sparrow (Spizella pallida.) 



A common migrant, frequently nesting in the State. The 

 colors are paler above than is common with Sparrows; belly 

 white. The song has a distinct nasal note. 



563a. Western Field Sparrow (Spizella pusilla arenacea.) 



A summer resident. This is a slender, light colored Spar- 

 row, with a grayish brown cap. It is unfortunately named, for 

 it loves the trees which border fields rather than the open spaces. 

 Its song, which is easily recognized, is a vigorous "cher-wee- 

 cher-wee, chee-o-dee-e-e-e-e-e" in ascending scale. 



566. White-winged Junco (Junco aikeni.) 



A summer resident in the Black Hills and forest reserves 

 of Harding County. Slaty gray above ; two white wing bars and 

 three outer tail feathers white. 



567. Slate-colored Junco (Junco hyemalis hyemahs.) "Snowbird" 



A frequent winter resident in the southeastern part of 

 the State, seen in flocks about thickets and often near homes 

 feeding with Sparrows. A sleek, slate colored bird, abaut the 

 size of the female English Sparrow. The bill, belly and outer tail 

 feathers are white. 



581. Song Sparrow (Melospiza melodia melodia.) 



A frequent migrant in the eastern part of the State, easily 

 recognized by its heavily streaked breast, the streaks merging 

 into a dark patch at the center. .Above reddish brown with black 

 streaks. 



It is an attractive singer. 



581 j. Dakota Song Sparrow (Melospiza melodia juddi.) 



Common over the State in migration and probably nests 

 west of the Missouri River. 



Similar to No. 581 but paler above; the black patch on 

 the belly is less prominent, with more white showing. 



