Description: An uncommon and local breeder in willow thickets, mostly in the north-central mountains, especially in North and Middle Parks, the western border of South Park, and at a few scattered locations along the Front Range. Rare migrant on the eastern plains.
|Heil Valley Ranch||Boulder|
|Williams Fork Reservoir||Grand|
|Jackson County Road 30||Jackson|
|Laramie River Road||Larimer|
|Boreas Pass Road (FR 404)||Park|
|Georgia Pass Road||Park|