SYNOPSIS 



OF THE 



ACCIPITRES 



(DIURNAL BIRDS OF PREY) 



PART III. 



Gen. LVII. HERPETOTHERES Vieill. (1817). 

 Type by subs, desig. (Gray 1840) Falco cachinnans L. 



Tarsus bare on lower portion, reticulated in front ; 

 bill with upper mandible slightly festooned ; 

 nostrils circular with osseous margins ; wings 

 short ; size moderate (length about 16-18 in.). 



*2 11 . Herpetotheres cachinnans cachinnans (Linn . ) 

 S.N., i., p. 90 (1758). [" America meridion- 

 alis " : type loc. subst. Surinam Berlepsch.] 

 Guiana Laughing Hawk. 



Wing $ 260-265, ? 270-285 mm. ; above 

 brown ; head crested, crown buff with 

 brown shaft streaks ; whole face and 

 nuchal band black ; sides of neck, collar 

 roimd hind neck and entire under parts 

 whitish buff ; upper tail-coverts creamy 

 buff ; tail dark brown, with 4 creamy buff 

 bands in the form of pairs of oval spots 

 not extending quite across webs. 



Guianas, 



Venezuela, 



E. Colombia, 



N. &E. 



Ecuador 



(E. of Andes). 



