This section is from the book "The Bird Book", by Chester A. Reed. Also available from Amazon: The Bird Book.
Range. - Breeds in the Black Hills of Dakota and Wyoming; winters in Colorado and casually to Kansas.
This species is like the next but larger and with the wings crossed by two white bars. Its habits are like those of the common Juncos, the nests are placed on the ground, concealed under overhanging rocks or tufts of grass, and the eggs are like those often seen of the Slate-colored Junco; 3 or 4 in number, pinkish white specked and spotted with light reddish brown. Size .75 x .55.
White.
White-winged Junco.
 
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