588. Arctic towhee. Pipilo maculatus arcticus. Winter resident; not uncommon; comes to base of Rocky Mountains in winter; breeds in the North, as far as the Saskatchewan River.

588a. Spurred towhee. Pipilo maculatus megalonyx. Common summer resident; upper limit, 9,000 feet.

591. Cañon towhee. Pipilo fuscus mesoleucus. Resident; common locally; all records from Arkansas Valley; rare at an altitude of 10,000 feet.

592. Abert's towhee. Pipilo aberti. Rare summer resident; species abundant in New Mexico and Arizona.

592.1. Green-tailed towhee. Oreospiza chlorura. Common summer resident; melodious songster.

593. Cardinal. Cardinalis cardinalis. Winter visitor; rare, if not accidental; two records.

595. Rose-breasted grosbeak. Zamelodia ludoviciana. Accidental summer resident; one record.

596. Black-headed grosbeak. Zamelodia melanocephala. Common summer resident; breeds from plains to 8,500 feet; has been seen at 10,000 feet.

597a. Western blue grosbeak. Guiraca cærulea lazula. Summer resident; not uncommon locally; southern part of State; author saw one pair at Colorado Springs.

598. Indigo bunting. Cyanospiza cyanea. Rare summer visitor; range, farther east.