LARGE-BILLED HAWK 



narrowly and indistinctly barred with dusky; 

 thighs not barred. 



A rather stout medium sized hawk of the 

 Buteo type, wings somewhat rounded, tail short 

 and square. Arboreal and somewhat inactive in 

 habits, feeding chiefly on small mammals, in- 

 sects and lizards. Seen at Pearl Islands, 

 March, 1926. 



10. Rupornis magnirostris ruficauda (Sclater 



and Salvin) 

 Large-billed Hawk 



Sexes alike. Length, about 370 mm. (14.50 



in.); tail, about 150 mm. (5.90 in.). Above 

 brownish ashen, the feathers with paler margins 

 except on head; inner margins of wing quills 

 deep chestnut barred with black; tail chestnut 

 with four or five black bars, the upper tail coverts 

 barred buff and brown ; throat and chest brownish 

 ashen, the throat streaked with buff; remaining 

 under parts barred grayish chestnut and white; 

 under surface of wings buffy, the under wing 

 coverts speckled and the quills barred with 

 dusky. Bill black, cere and feet yellow. 



Young. Similar but less shaded with ashen 

 and obscurely barred above with tawny; more 

 bars on tail. 



Typical Buteo build, tail conspicuously rufous. 

 Its prey are snakes, lizards and mice. One of 

 the commonest hawks of the Zone ; found on the 

 edge of the forest or in second growth. 

 i34 



