VOl 'r9n Vm ] Visher, Birds of Harding County, South Dakota. 11 



56. Accipiter velox. Sharp-shinned Hawk. — Common during the 

 autumn migration, which commenced August 22. 



57. Accipiter cooperi. Cooper's Hawk. — Several seen early in 

 September along the Little Missouri Valley. 



58. Buteo borealis calurus. Western Red-tail. — A common 

 summer resident throughout the area. 



59. Buteo borealis krideri. Krider's Hawk. — Two were observed, 

 apparently near their nest, at the cliff of the Cave Hills. 



60. Buteo swainsoni. Swainson's Hawk. — Abundant summer 

 resident . 



61. Archibuteo lagopus sancti-johannis. Rough-legged Hawk. 

 Seen July 14, and three or four times during the last of August and the 

 first of September. 



62. Archibuteo ferrugineus. Ferruginous Rough-leg. — Quite 

 abundant on the plains. Nests in the buttes. Especially numerous after 

 August 20. 



63. Aquila chrysaetos. Golden Eagle. — A common resident about 

 the high buttes. Aeries were seen in the Cave Hills and in the Short Pine 

 Hills. 



64. Haliaeetus leucocephalus. Bald Eagle. — Rare. One seen 

 July 20 on the Little Missouri. 



65. Falco mexicanus. Prairie Falcon. — Abundant summer resi- 

 dent in the badlands and elsewhere where clay cliffs occur. 



66. Falco peregrinus anatum. Duck Hawk. — Rare. Seen twice. 



67. Falco columbarius. Pigeon Hawk. — Rare autumn migrant 

 along the Little Missouri Valley. 



68. Falco sparverius. Sparrow Hawk. — Abundant summer resi- 

 dent on the plains. 



69. Pandion haliaetus carolinensis. Osprey. — One seen Septem- 

 ber 2 along the Little Missouri River. 



70. Bubo virginianus pallescens. Western Horned Owl. — 

 Abundant resident in the badlands and about the steeper buttes. 



71. Asio flammeus. Short-eared Owl. — Grinnell reports that 

 they saw several along the river bottom of the Little Missouri. 



72. Speotyto cunicularia hypogaea. Burrowing Owl. — Abundant 

 in some of the prairie-dog towns. 



73. Coccyzus erythrophthalmus. Black-billed Cuckoo. — One 

 observed July 11 in the Little Missouri Valley within six miles of the 

 Montana line, and a short distance north of Harding County, in North 

 Dakota. 



74. Ceryle alcyon. Kingfisher. — A few pairs nested along the 

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



75. Dryobates villosus. Hairy Woodpecker. — Rare summer resi- 

 dent in the forested buttes and along the Little Missouri near Camp Crook. 



76. Dryobates pubescens medianus. Downy Woodpecker. — 

 Much more frequently seen than the preceding. 



