51 
elsewhere. Frequently seen in winter. An earlier and more general 
breeder than the Sharp-shinned. 
334. Accipiter atricapillus (Wilson) AMERICAN GosHAWK. 
A regular, but not common, winter visitant. Observed at Omaha, 
Lincoln, Rockport, Norfolk, and in Sioux county. 
(334a. Accipiter atricapillus striatulus Ridgway—WestTERN GOSHAWK: 
This western variety of the preceding species has been reported 
once from Florence, in 1896, by L. Skow, and again from Ken- 
nedy, Oct. 1896, by J. M. Bates. Very dark colored goshawks are 
occasionally to be met with in the state, especially westward, which 
may be the wesern variety.] 
337. *Buteo borealis (Gmelin) —Rep-TaILED Hawk. 
The typical Red-tailed Hawk is confined to the eastern half of the 
state where it is found in the timber belts along all the larger water- 
courses. It is partially migratory, but some remain throughout 
winter. Breeds over entire range and feeds chiefly on rabbits, ground 
squirrels, etc. 
337a. *Buteo borealis kriderii Hoopes—Kriprr Hawk. 
Found chiefly westward but spreading to eastern part of state 
during migrations; breeds in Sioux and Dawes counties—sometimes, 
at least, on ledges of the canyon walls. 
337b. Buteo borealis calurus (Cassin) —-W8STERN RED-TAIL. 
During migrations straggling over the entire state. Breeds com- 
monly in both Colorado and Wyoming, and may breed also in western 
Nebraska. ‘West Point, Omaha, and Lingoln. 
337d. Buteo borealis harlani (Audubon)—Haruan Hawk. 
Casually over eastern third of the state, but not known to breed. 
West Point, Omaha, Lincoln. There is a specimen in the collection 
of August Hiche taken at the latter locality. 
339. *Buteo lineatus (Gmelin) —-RED-SHOULDERED Hawk. 
A not uncommon hawk in the eastern part of the state, where it 
breeds most abundant along the Missouri river bluffs. Omaha, Belle- 
vue, Nebraska City, Rulo, Lincoln, Neligh. 
342. *Buteo swainsoni Bonaparte—Swainson Hawk. 
A very common hawk over the entire state; in fall sometimes gather- 
ing in large flocks during migrations; nesting throughout the Nebraska 
range eastward in trees, westward frequently on the ground. Oc- 
curring in several color variations. 
343. *Buteo platypterus (Vieillot)—-Broap-wINGED Hawk. 
A regular and rather common summer visitant and breeder along 
the Missouri river and its tributaries in the eastern part of the state; 
rare in the interior, and a straggler in western Nebraska. Observed 
once at Harrison, Sioux county, by Bruner; at Long Pine by Bates, 
and at Neligh by Cary—numerous records farther east. 
