FAMILY FALCONIM:. HAWKS, FALCONS, EAGLES, ETC. 173 



Section 4. Fourth primary, longest; four or five outer 

 primaries, emarginate or notched; upper tail coverts, 

 white. 



Under surface of tail, whitish at base ; one broad subterminal band of dark brown, 

 tipped with grayish white; upper mandible, long and curved (see cut). Not 

 recorded north of Florida. 



Everglade Kite. 

 Eostrhamus sociabilis. 

 See No. 264. 



Upper mandible, hawk-like (see cut) ; under surface of tail, white or pale rufous 

 with several bands of dark brown. 



Harsh Hawk. 



Circus hudsonius. 

 See No. 265. 



Section 5. Fourth primary, longest, four or five outer 

 primaries emarginate or notched ; upper tail coverts, 

 not white ; no feathers on tarsus. 



Face, bare; back, brown; thighs, black or dark brown. Audubon's Caracara. 



Polyborus cheriway. 

 See No. 297. 



Section 6. Fourth primary, longest, four or five outer 

 primaries, emarginate or notched ; upper tail coverts, 

 not white; tarsus, partly (but not entirely) feathered. 



Tail, bright rufous brown (adult) ; tail, whitish or grayish, with numerous 



brown bars (immature). 



Red-tailed Hawk. 



Buteo borealis, and races. 

 See No. 271. 



General plumage, dark sooty brow r n, sometimes with underparts pale, more or 



less streaked and spotted. 



Marian's Hawk. 



Buteo borealis harlani. 

 See No. 274. 



