164 



HAWKS. 



1**. WESTERN RED-TAIL, B. b. calaeus. Differs 

 from 1 in being darker above, tail always with terminal bar 

 and sometimes with two or three above it; beneath, much 

 more reddish, especially across breast. Western N. A. from 

 the Rockies to the Pacific; casual in 111. 



2. HARLAN'S HAWK, B. harlani. Male, 20.00; fe- 

 male, 22.00; dark-brown above sometimes streaked with 

 white; tail, irregularly mottled with grayish, white, rufous 

 and dusky; beneath, varying from dark, sooty-brown to 

 white, but if white then streaked across breast and on sides 

 with dusky. Young with tail banded with grayish-brown 

 and dusky. Breeds in the Gulf States and lower Mississippi 

 Valley south to Central America; casual north to Penn. and 

 Iowa. 



3. EUROPEAN BUZZARD, B. BUTEO. Male, 20.00 ; fe- 

 male, 23.00; four outer primaries, incised; variable, usually 

 mixed brownish and whitish, tail with from 10 to 13 narrow 

 dusky bands. Europe; accidental in Mich. 



4. RED-SHOULDERED HAWK, B. lineatus. Four outer 

 quills incised; male, 21.00; female, 24.00; dark-brown above 

 with feathers, especially on bend of wing, more or less mar- 

 gined with reddish ; wings with many white bands ; tail with 

 four; tail, short in proportion to spread of wings, fig. 201; 

 white beneath banded with reddish. Young, streaked with 

 brown beneath ; tail with many bands. Breeds throughout 

 eastern N. A. from Fla. to Nova Scotia; winters from Mass. 

 southward. Note a loud, high scream, ">^^-«r" repeated sev- 

 eral times with the last syllable prolonged. 



Fig. 197*. Fig. 198*. Fig. 200*. Fig. 201*. 



