270 



AMERICAN ORNITHOLOGY. 



Identification Chart No. 8. 



Ha-wks. 



No. 335, Harris's Hawk, {Parahiiteo unicinc- 

 tus harrisi. 



Length about 21 inches. General color blackish or 

 dark brown. Shoulders, lining of wings and tibia, 

 rich chocolate brown. Tail coverts and base of tail, 

 white. Tip of tail also white. Found throughout the 

 southwestern states from the Mississippi to the Pacific. 

 This hawk is sluggish in movement and feeds exten- 

 sively upon carrion and associates with the vultures. 

 The plumage of the young is more brownish and the 

 tibia are whitish, barred with chestnut. 



No. 342, Swainson's Hawk, (Buteo swainsoni.) 



Length, 20 inches. Upper parts brownish gray. 

 Chin and throat white. Breast pale chestnut, the 

 feathers having black shaft lines. Rest of under parts 

 whitish, more or less barred with light brown. Tail 

 the same color as back and crossed by a number of 

 dusky bands. This hawk varies greatly in plumage 

 at different seasons and ages and may be found from 

 the above description to nearly a uniform blackish 

 brown. Western portions of North America from the 

 Arctic region to Mexico. Rarely east of the Mississippi 

 valley. 



No. 347a, American Rough-legged Hawk, 

 {Archibnteo lagopiis sancti-johannis.) 



Length about 21 inches. Legs thickly feathered 

 down to the base of the toes. Head and neck, dull 

 white, streiked with dusky. Rest of upper parts dark 

 brown. A broad band of dusky across the belly. Base 

 and tip of tail, white. From this plumage it varies to 

 black but may be known by the feathered legs. Found 

 throughout North America. 



No. 348, Ferruginous Rough-legged Hawk, 

 ( zArchibuteo ferrugineus . ) 



Length about 24 inches. Legs feathered to the toes. 

 Upper parts rust brown, brightest on the shoulders. 

 Under parts whitish, faintly barred with reddish. 

 Thighs rusty and barred with dusky. Tail, white, 

 washed more or less with brownish. Found in the 

 United States west of the Mississippi, and in southern 

 Canada. 



