X 339. Red-shouldered Hawk (Buteo lineatus). L. 
cS, 18.33 £, 20.3. Four outer primaries notched. Ads. 
Lesser wing-coverts bright reddish brown. Yng. Be- 
low whitish streaked with brownish; lesser wing-cov- 
erts less reddish; primaries with rusty buff. Notes. A 
loud screaming heé-ver, keéyer. 
Range.—Eastern United States to Oklahoma, eastern Kansas, 
eastern Nebraska and Minnesota, north to Maine, south to northern 
Florida; generally resident. 
339a. Florida Red-shouldered Hawk (8. J. allenz). 
Smaller than No. 339. (W. oo, 11.) Ad. Much 
grayer above, no rusty on back, much paler below. 
Range.—Florida north along coast to South Carolina; west along 
coast tu eastern Texas. 
339b. Red-bellied Hawk (B. 7. elegans). Similar 
to No. 339, but rusty of breast usually unbroken. 
Young with lower parts deep brownish or dusky pre- 
vailing; less buff on primaries. (Ridgw.) 
Range.—Pacific coast from Lower California north to British 
Columbia; east rarely to Colorado and western Texas. 
342. Swainson Hawk (Buteo swainsont). L. 3, 20. 
Three outer primaries notched. 4d. ¢. Breast patch 
rusty brown. Ad. 9.  Breast-patch grayish brown. 
Dark phase. Brownish black more or less varied with 
rusty; tail obscurely barred. Yung. Below rich rusty 
buff with elongate black spots. Notes. Pu-tich, pt-tick, 
frequently repeated. (Bendire.) 
Range.—‘‘Western North America from Wisconsin, I!linois, Ar- 
kansasand Texas to the Pacific coast; north to Arctic regions and 
south to Argentine Republic, casual eastto Maine and Massachu- 
setts. Breeds nearly throughout its North American range.’’ (A. O. 
343. Broad-winged Hawk (Buteo platypterus). L. 
3, 15.8; 2,16.7. Three outer primaries notched. Ads. 
Tail with two whitish bands and a brownish tip; be- 
low barred with rusty brown. Yung. No buff in prim- 
aries; tail brownish with several black bars; below 
whitish, streaked with blackish. Notes. A high, 
sharp, keen, penetrating whistle. 
Range.—Eastern North America, breeds west to Plains, north to 
New Brunswick and Saskatchewan; winters from southern New 
Jersey south to northern South America. 
133 
Hawks. 
