12 



Not almost white beueatli, haunting meadows, 

 Rough-legged Ha\\tc. 

 dd. Not notably black and white or fond of 

 water or open meadows, 

 e. Strong, aggressive birds with short, blunt 

 wings and long tail and feet. 

 Less than one-half of tarsus bare ; length 2 

 feet ; rare. Goshawk. 



Less than two-thirds of tarsus bare ; length 

 H feet ; common, Cooper's Hawk. 



ee. Strong, aggressive birds with long, 

 pointed wings and short tail and feet ; 

 very rare. 

 Length about 1| feet ; dark bluish-ash 

 above, Duck Hawk. 



Length 2 feet; not l)luish-ash above, 



Gyrfalcon. 

 eee. Heavy, woodland birds, with broad 

 wings and tail, the latter not notably long ; 

 rather slow ; common. 

 Area on breast white and unspotted ; gen- 

 eral castof plumage not fulvous, 



Red-tailed Hawk. 



No unspotted area on breast ; general castof 



plumage fulvous, Red-shouldered Hawk. 



Group n. Birds of Medium Size. 



1. Swimming Birds of Ponds or Streams. 



A. Length 10 inches or less ; pure white beneath, 



DOVEKIE. 



B. Length over a foot. 



Dark slate color ; bill white ; length 15 inches. Coot. 



Dark brownish above ; shining white beneath ; length 



13 inches, Common Grebe. 



