BLACK AND WHITE HAWK 



Female. Length 558 mm. \22 in.); tail 253 

 mm. (10.00 in.). Above dusky brown, head and 

 neck streaked, wing coverts spotted with rufous ; 

 upper tail coverts white; tail brown, paler at tip 

 and barred with blackish; under parts tawny 

 buff streaked except on chin and throat with 

 brown. 



Young. Resembling female. 



A winter visitor often seen flying low over 

 marshes, sabanas and other open places such as 

 the Gatun Dam, Panama golf links, etc. The 

 long wings and rambling, irregular flight, as it 

 searches the grass and brakes for its food, often 

 raising its wings at an angle as it banks on its 

 turns, and especially its conspicuous white rump, 

 help in recognizing it. 



4. Micrastur melanoleucus (Vieillot) 



Black and White Hawk 



* 



Sexes similar. Length, male 530 mm. (21.00 



in.); tail 230 mm. (9.00 in.); Female about 610 

 mm. (24.00 in.); tail, about 240 mm. (9.50 in.). 

 Black above including crest, upper tail coverts 

 tipped with white ; tail black with three narrow 

 white cross bands visible from below; sides of 

 head, neck, a collar across hindneck, and under 

 parts white, a narrow black patch behind ear 

 coverts and cheeks; under wing coverts cream, 

 under surface of quills barred black and white. 



Young. Brown above, the back and wing 

 coverts barred with rufous tawny, a collar of 

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