List of the birds of eastern north America. 355 



A-^f^/' Gknus ROSTRHAMUS. Lksson. 



264 (.530) ROSTRHAMUS SOCIABILIS. (Vieill.) Everglade Kite. 



Central Americii aud eastern South Amerjca ; common in South Plorida 

 where it l)reeds. 



(Jexus circus. LAC^rEDE. 



265 (331) CIRCUS HUDSONIUS. (Linn.) Marsh Hawk. 



North and Central America ; breeding throughout its range ; one of 

 the most common species in eastern United States ; frequenting 

 marshes. 



Genus ACCIPITER. Briss. 

 Sui.GENus ACCIPITER. 



266 (332) ACCIPITER VELOX. (Wils.) Sharp-shinned Hawk. 



Nortb America ; breeding throughout its range ; in winter south to 

 3Iexico and Central America ; common in eastern United States. 



267 (333) ACCIPITER COOPERI. (Bonap.) Cooper's Hawk. 



North America and Mexico ; breeds throughout its range; common in 

 eastern United States. 



SiHGEXus ASTUR. Lac^pede. 



268 (334) ACCIPITER ATRICAPILLUS. (Wn.s.) American Goshawk. 



Greater portion of North America, north of the Middle States ; breeds 

 from northern border of United States northward. 



Genus PARABUFEO. Ridgw. 



269 (335) PARABUTEO UNICINCTUS HARRISI. (Aud.) Harris's Hawk. 



Western species, which occurs in Louisiana. 



Gen-US BUTEO. Cuvier. 



270 (336) BUTEO BUTEO. (Lixn.) European Buzzard. 



European species ; once taken in I'uited States ; Michigan, one record. 



271 (337) BUTEO BOREALIS. (Gmel.) Red=tailed Hawk. 



Eastern North America and Canada ; south to Mexico ; breeds nearly 

 throughout its range. 



272 (337a) Buleo borealis kriderii. Hoopes. Krider's Hawk. 



Western race, which occasionally occurs as far east as Illinois ; differs 

 in being much paler; more white in the plumage; underparts, 

 faintly streaked. 



273 (3376) Buteo borealis ccdunis. (Cass.) Western Red-tail. 



This race has been recorded from Illinois ; its true range is west of the 

 Rocky Mountains ; it dilfcrs in being much darker than borealis^ 

 and shows more dusky aud rufous brown in the plumage ; some 

 specimens are almost entirely black, with breast dark reddish 

 brown. 



