FAMILY FALCONlD.E. 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 baud of dark brown, 

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

 recorded north of Florida. 



Everglade Kite. 

 Rostrhamns sociabllis. 

 See No. 2G4. 



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



with several bands of dark brown. 



flarsh 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. 



PolyboTUs 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. 



Buffo borealis, and races. 

 See No. 271. 



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

 less streaked and spotted. 



Harlan's Hawk. 

 Buteo hnrealis harlani. 

 See No. 274. 



