568.1. Ridgway's junco. Junco annectens. Rare winter visitor; one record.
569. Gray-headed junco. Junco caniceps. Abundant resident; breeds from 7,500 to 12,000 feet; sometimes rears three broods.
570a. Red-backed junco. Junco phæonotus dorsalis. Rare migrant; abundant just south of State.
573a. Desert sparrow. Amphispiza bilineata deserticola. Summer resident; not uncommon locally; found only in southwestern part of the State.
574a. Sage sparrow. Amphispiza belli nevadensis. Abundant summer resident; common on sage-brush plains of western and southwestern Colorado; ranges as far east as San Luis Park and north to Cheyenne, Wyoming.
581. Song-sparrow. Melospiza fasciata. Rare migrant; found only at eastern border of State.
581b. Mountain song-sparrow. Melospiza fasciata montana. Common summer resident; a few remain on plains in mild winters; breeds from plains to 8,000 feet.
583. Lincoln's sparrow. Melospiza lincolni. Common summer resident; abundant in migration; breeds from base of foothills to timber-line.
584. Swamp sparrow. Melospiza georgiana. Accidental summer visitor; one record.
585c. Slate-colored sparrow. Passerella iliaca schistacea. Rare summer resident; only three records.