559a. Western tree sparrow. Spizella monticola ochracea. Common winter resident; mostly on plains and in lower mountains.
560. Chipping sparrow. Spizella socialis. Rare summer resident; common in migration; goes as far west as base of the mountains.
560a. Western chipping sparrow. Spizella socialis arizonæ. Abundant summer resident; breeds from base of foothills to 10,000 feet.
561. Clay-colored sparrow. Spizella pallida. Summer resident; not uncommon; scattered over State east of mountains.
562. Brewer's sparrow. Spizella breweri. Summer resident; not uncommon; breeds from plains to 8,000 feet.
566. White-winged junco. Junco aikeni. Common winter resident; on plains and 8,000 feet up in the mountains.
567. Slate-colored junco. Junco hyemalis. Winter resident; not common; not found above 8,000 feet.
567b. Shufeldt's junco. Junco hyemalis connectens. Abundant winter resident; most common in southern part of the State; not uncommon elsewhere.
567.1. Montana junco. Junco montanus. Winter visitor; not uncommon.
568. Pink-sided junco. Junco mearnsi. Common winter resident; plentiful at base of foothills in winter; in spring ascend to 10,000 feet; then leaves the State for the North.