FAMILY FALCONID.T:. HAWKS, FALCONS, EAGLFiS, ETC. 1()7 



Fourth oiitcr piiiiirirv. decidedly notched ; umlcr .surface of outer iJiimaries, not 

 heavily barred with dark hrown and white; tail, less than 9.50; upper 

 surface of tail, with distinct white bars. Red=shouldered Hawk. 



Butco linealua, and races. 

 See No. 275. 



Under surface of priiiiarics, licavily barred with ihnk brown and w liiic ; wiiiii", 

 under 11.50. Cooper's Hawk. 



AixijiiUr coiijirri. 

 Sec X(t. 2(;7. 



Belly, white, witliont -^liraks or l)ar3. Short=tailed Hawk. 



Butco hrdcliijiinis. 

 See Xo. 271). 



Belly, black; <i;eneral ])lnniai;;e, black (black phase). Short^tailed Hawk. 



Butio hrcc/ii/nrns. 

 See Xo. 279. 



Group 4. Wing, 13 to 15 inches long. 



Section 1. Second primary, longest; first and second 

 primaries, emarginate, or notched. 



Length, always under 19; primaries, hoary <^ray, without Iiauds 



White=tailed Kite. 



Elanns lencurus. 

 See No. 202. 



First primary, i>ale brown, with iniuierous bands on iimer wel> ; length, usually 

 under 19 (some females an^ longer). Prairie Falcon. 



Falco tlU'Xirit u us. 



See No.290. 

 lifiii^th, alwaj'S ov<'r 19: nii<bT tail co\(!rts, si)Otted, or washi-d wiih ibisl<y. 



Oray Uyrfalcon. 

 Falcn ruslirolits, tend rares. 

 See Xo. 287. 



Length, always ovi-r 19; under tail coverts, white, without s[)ots. White Qyrfalcon. 



Fdlco ishiiiifKs. 

 See No. 28G. 



Section 2. Third primary, longest ; face, bare. 



Basal i)ortinn of tail, white, barred with blarU. nr brown; end of tail, blacU. 



Audubon's Caracara. 



J'dli/liiirii.s rli, ritfiiij. 

 .See Xo. 297. 



