156 CHECK-LIST OF NORTH AMERICAN BIRDS. 
Accipiter coédperi (BoNAPARTE). Cooper’s Hawk. [333.] 
Falco cooperiti BONAPARTE, Amer. Orn., II, 1828, 1, pl. x, fig. 1. (Near 
Bordentown, N. J.) 
RanGeE.— North America. Breeds from southern British Columbia, 
southern Alberta, southern Keewatin, central Quebec, and Prince 
Edward Island south to southern border of the United States; winters 
from southern British Columbia, Colorado, Nebraska, Ohio, and 
Massachusetts south to Costa Rica, and occasionally further north. 
GENUS ASTUR LacfprrEpDE. 
Astur Lacbprpe, Tableaux Ois., 1799, 4. Type, by subs. desig., Falco 
palumbarius Linn=us (Vigors, 1824). 
Astur atricapillus (Wison). 
RancGE.— North America from tree limit south to northern Mexico. 
a. Astur atricapillus atricapillus (Witson). Goshawk. ([334.] 
Falco atricapillus Witson, Amer. Orn., VI, 1812, 80, pl. 52, fig. 3. (Near 
Philadelphia, Pa.) 
RanGe.— North America. Breeds in Boreal zones from northwestern 
Alaska, northwestern Mackenzie, central Keewatin, and northern Ungava 
south to Michigan and New Hampshire, and in the mountains south to Penn- 
sylvania and New Mexico; winters from Alaska and the southern Canadian 
Provinces south to northern Mexico, Texas, Oklahoma, Missouri, Indiana, 
and Virginia; accidental in England. 
b. Astur atricapillus stridtulus Ringway. Western Goshawk. [334a.] 
Astur atricapillus var. striatulus Ripaway, in Hist. N. A. Birds, III, 1874, 
240. (Fort Steilacoom, Puget Sound, Washington.) 
RanGE.— Boreal zones of Pacific coast region. Breeds from Cook Inlet, 
Alaska, south to the Sierra Nevada of California in latitude 36° 30’; winters 
southward in California and east to Colorado. 
Genus PARABUTEO Ripeway. 
Parabuteo Ripeway, in Hist. N. A. Birds, III, 1874, 250. Type, by orig. 
desig., Falco harristi AUDUBON = Buteo harrist AUDUBON. 
