Wyoming Birds. 93 



to the open valleys and plains 6,000 to 7,000 feet in Sep- 

 tember. 



701. Dipper. It is common along the swift mountain brooks. 



702. Sage Thrasher. Common on the dry sage-covered plains. 

 704. Catbird. A few seen in the Wind River Basin. 



715. Rock Wren. Common in dry, rocky canyons below the timber 



belt. 

 717a. Canon Wren. A single family found in the rocky gorge of a 



mountain creek at 8,000 feet near Old Kendall. 

 721a. Western House Wren. Not common. A few seen near Afton. 

 722a. Western Winter Wren. (?) One seen on Upper Crystal 



Creek. 

 726b. Rocky Mountain Creeper. Rather common in the spruce for- 

 ests. 

 727d. Slender-billed Nuthatch. Common nuthatch in summer in the 



spruce belt. 

 728. Red-breasted Nuthatch. Probably less common than the last, 



but seen in July in the Teton Range and Hoback Ridge. 

 730. Pygmy Nuthatch. Two seen in the pine forest. 

 735a. Long-tailed Chickadee. Characteristic of the willow thickets 



■below 8,000 feet. 

 73S. Mountain Chickadee. Common in the spruce forests. 

 748. Golden-crowned Kinglet. Associated with the last. 

 754. Townsend's Solitaire. Widely distributed, but not common. 

 756a. Willow Thrush. (?) Rather common among the willows. 

 759a. Audubon's Hermit Thrush. Moderately common in the spruce 



forests. 

 761a. Western Robin. Abundant. 

 768. Mountain Bluebird. Common. 



Many other species of birds were seen, but not satisfactorily 

 identified. 



COMMENTS. . 

 Mr. Blackwelder has traveled extensively through the 

 northern portions of the state and has made observations 

 on the birds. His list includes a number of species not 

 before reported as occurring in the state, viz.: 155, 256a, 

 299- 379- 488, 546a, 627a, 685a. 



