162 



KEY TO THE lilRDS OF EASTERN NORTH AMERICA. 



FAHILY FALCONID/E. 



Hawks, Falcons, Eagles, etc. 



Toes, four, three in front, one behind ; toes, with strong, curved talons 

 or claws; bill, with cere (skin-like covering at the base); bill, strongly 

 hooked. 



Group 1. Wing, less than 8.50 inches long. 



Male. ' ' " '■ FfiiKik'. 



Puini) aud upper tail coverts, rufous brown ; tail, more or less markotl with 

 rufous brown; tarsus, less tlian l.r)0; second primary, longest. 



Sparrow Hawk. 



Falco sparverinx. 

 See No. 295. 



Huini) aud upper tail coverts, slaty In-owu ; tarsus, over 1.50; fourth primary, 

 longest. 



Sharp-shinned Hawk. 



Acripiter velox. 

 See Xo. 266. 



