LIST OF THE BIRDS SEEN 77 



Snowy Owl (Xyctca nyctca). A frequent winter visitor. Saund- 

 ers reports several seen north of Camn Crook December 14. 



Burrowing Owl (Speotyto ciinicnlaria Jiypogaea). Abundant in 

 some of the prairie-dog towns. 



Black-billed Cuckoo (Cocoysits erythrvphthalmus) . One ob- 

 served July ii in the Little Missouri Valley within six miles 

 of the Montana line, and a short distance north of Harding 

 County, in Xorth Dakota. 



Kingfisher (Ceryle alcyon alcyon}. A few pairs nested along the 

 Little Missouri River, and one on the largest stream of Cave 

 Hills. 



Rocky Mountain Hairy Woodpecker (Dryobates rill os us uionti- 

 cola). Rare summer resident in the forested buttes and along 

 the Little Missouri near Camp Crook. 



Bachelders Downy Woodpecker (Dryobates pubesccns homorus). 

 'Much more frequently seen than the preceding. A specimen 

 collected near Willet identified by Biological Survey. 



Red-headed Woodpecker (Melanerpes zrythroceplutlus}. An 

 abundant summer resident in the groves of the Little Mis- 

 souri Valley, and sparingly in the buttes. 



Northern Flicker (Colaptes auratus luteus). Breeds wherever 

 trees occur ; much more frequent east of the Little Missouri 

 than west of it. 



Red-shafted Flicker (Colaptes cafer collaris). A common sum- 

 mer resident in and west of the Little Missouri Valley. 

 More rare to the eastward. 



NuttalFs Poonvill (Phalaenoptilus nuttaUi nuttaUi). A frequent 

 breeder in the high buttes. One was seen on the mesa of 

 Cave Hills, one in badlands in Slim Buttes, and a third was 

 flushed in an arroya at the base of Slim Buttes. They were 

 heard each night during the two weeks spent about the 

 Cave Hills in 1910. 



Bennett's Xighthawk (Chordeiles wi-giiiianus senn-etti). Common 

 breeder in the plains. The Xighthnwk, often called Bull 

 Bat, is a very picturesque bird. During the day time it sits 

 on fence posts, or stones nearly asleep. Yet when disturbed 

 it may fly about peenting shrilly even in the middle of the 

 hottest and brightest days. In fact the jerky zig-zag flight 

 and loud call of the nighthawk is constantly associated in my 



