178 KKY TO THE BIRDS OF EASTKUN NORTH AMERICA. 



\Vinx r , alway-j over l>.."iii; belly and thighs, never white ; only :nlult birds liave 



the hood ;iud tail, white. 



Bald Eagle. 



Ilnlidi-t HX leiirnceph u 1 us. 

 See No. 2sr,. 



Section 3. Fourth primary, longest ; tarsus, without 



feathers. 



Mark. In-own : fare. hare. 



Audubon's Caracara. 



I'nlillinrtlS I'fli /il'-l/l/. 



See No. 2!7. 



Section 4. Fourth primary, longest; tarsus, partly (not 



entirely) feathered. 



Tail, rufous brown (adult); tail, whitish or jrayish. with numerous In-own bars 

 (immature). 



Red tailed Hawk. 

 Butco bori'iilix, nnd races. 

 See No. 271. 



General plumage, dark sooty brown, sometimes with pale umlerparts, more or 



!-- streaked and ; potted. 



Marian's Hawk. 



Bttti'O Jxtri'dl/n l/i/rloni. 



See No. 274. 

 Wiiiir. alway ovi-r 1S.")0; only adults have head and tail white. 



Bald Eagle. 



II'll/iK'tHS li H<-(iCf'j>]i(lluS. 



See No. 285. 



Section 5. Fourth primary, longest; tarsus, entirely 



feathered. 



Thighs, tawny, more or less streaked or barred. American Rough -legged Hawk. 



Archibuteo h/i/n/i//* sanctt^ohonnis, 



See No. 281. 



(.eneral pliimaire. <oot v brou n or black 'black plumage). 



American Rough-legged Hawk. 



Archibuteo iiii/u/ms nancti-johannts, 



See No. 



Thighs, tinned \\iili deep rufous with numerous bar-i. 



Ferruginous Rough-legged Hawk. 



fi'i-rnijini na. 



See N-i. 



