A 
SYNOPSIS 
OF THE 
ACCIPITRES 
(DIURNAL BIRDS OF PREY) 
PART III. 
Gen. LVI]. 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.). 
*211. Herpetotheres cachinnans cachinnans (Linn.) 
S.N., 1., p. 90 (1758). [“ America meridion- 
alis’’: type loc. subst. Surinam Berlepsch.] 
Guiana Laughing Hawk. 
Wing ¢ 260-265, 2 270-285 mm.; above 
brown; head crested, crown buff with 
brown shaft streaks; whole face and 
nuchal band black; sides of neck, collar 
round 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). 
