166 KEY TO THE BIRDS OF EASTERN NORTH AMERICA. 
Section 3. The following species have the fourth primary 
longest. 
Upper tail coverts, white; tarsus, less than 2.25. Rare north of Florida, 
where it is a permanent resident. 
Evergiade Kite. 
Rostrhamus sociabilis. 
See No. 264. 
(ee 
Marsh Hawk. 
Upper tail coverts, white; tarsus, over 2.25. 
Marsh Hawk. 
Circus hudsonius. 
See No. 265. 
Fourth outer primary, not decidedly notched; under surface of primaries, not 
barred with dark brown and white; tail, less than 9.50; upper tail coverts, not 
white. 
Broad-winged Hawk. 
Buteo latissinus. 
See No. 278. 
Fourth outer primaries, decidedly notched; under surface of outer primaries, 
not heavily barred with dark brown and white; tail, 9.50, or over; wing, 
over 11.50. 
American Goshawk. 
Accipiter atricapillus. 
See No. 268. 
