GHIESBRECHT'S HAWK 



color of plumage black, the tail tipped with white 

 and crossed by one broad white band; upper 

 tail coverts narrowly tipped with white; sur- 

 face of wings black. Bill blue black; bare skin 

 of face, cere, and feet yellow. 



Young. Dusky brown above, back black; 

 head, neck all around and under parts whitish 

 broadly streaked with black and washed with 

 tawny. 



A large heavily built hawk of sluggish habits. 

 Not at all shy. It is not uncommon near the 

 coast and about the islands of Panama Bay and 

 along the larger rivers. 



13. Leucopternis ghiesbreghti costaricensis 



Sclater 

 Ghiesbrechfs Hawk 



Leucopternis ghiesbreghti STONE, Proc. Phila. Acad. 

 Nat. Sci., 1918, p. 250. 



Sexes alike.- Length, about 585 mm. (23.00 

 in.); tail, about 215 mm. (8.50 in.). General 

 color of plumage white, tail with a subterminal 

 band of black; wings black and white. Bill 

 black, cere gray ; feet yellow. 



Young. Similar to adults but the top of the 

 head striped with black. 



This beautiful white hawk of typical Buteo 

 build, is a bird of the deep forest, perching on 

 high trees where it is shaded and concealed from 

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