FAMILY FALCONII)^. HAWKS, FALCONS, EAGLES, ETC. 163 



Rump and upper tail coverts, dark brown; breast, streaked with dark brown; no 

 rufous brown on tail; second primary, longest. 



Pigeon Hawk. 



Falco columbarium. 

 See No. 292. 



Group 2. Wing, 8.50 to 9.50 inches long. 



Second primary, longest. 



Pigeon Hawk. 



Falco columbariua. 

 See No. 292. 



Fourth primary, longest ; outer tail feather, three quarters inch or more shorter 

 than middle feather; tail, usually more than 7.25 long. 



Cooper's Hawk. 



Accipiter cooperi. 

 See No. 267. 



