166 



EAGLES. 



phase, but the basal three-fourths of tail as seen from below 

 is always white. Breeds throughout N. A. north of the U. 

 S. ; winters from N. E. south to the Carolinas. 



c. Witle-inoiitlied Hawks. Brewsteria. 



Differ from b in having the gape wider, the bill stouter 

 and the tarsus longer; food, probably largely fish. 



1. FERRUGINEOUS HAWK, B. ferkugineus. Size of 

 b, 1 : reddish-brown above streaked with dusky; tibia, red- 

 dish, barred with dusky; beneath and tail, white tinged with 

 dusky, from this varies to a nearly black phase. Western N. 

 A. west of the plains; casual in 111. 



Fig. 202. Fig. 203. Fig. 204. 



1^ 

 H, I), b, 1. 



Large, nearly unicolored birds with the tarsus feathered 

 to the toes. Wing-beats, slow, frequently sail high in air. 

 Cries, harsh. 



a. Eagles. Aquila. 



Characters as above. 



1. GOLDEN EAGLE, A. CHRYSAETOS. Male, 32.00; fe- 

 male, 37.00 ; dark brown ; base of tail, white ; feathers of head, 

 neck, tibia, and tarsus tipped with reddish-yellow; bill, 

 brown ; feet, yellow, fig. 203. Young, with basal two-thirds 

 of tail white. N. A. south to Mexico, and northern Old 



