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DIURNAL BIRDS OF FREY. 
hawk-eagles includes Africa, the north coast of the Mediterranean, India, Ceylon, 
and Australia. Among the small number of species constituting this genus, 
the best known is Bonelli’s hawk - eagle (Nisaetus fasciatus), which is at 
the same time one of the largest, the female measuring 26 inches in length, and 
thus being somewhat more than two-thirds the size of the golden eagle. In general 
colour the adult bird (shown in the lower figure of our illustration) is dark brown 
bonelli’s hawk-eagle (& nat. size). 
above, with some white about the head and in the region of the neck; the quills 
are deep brown, with white mottlings on their inner webs; and the tail is ashy 
brown, with a broad terminal band of dark brown, and several incomplete bars of 
the same tint higher up. The axillaries are white, streaked with black; and the 
under-parts are white, with dark shaft-stripes of variable breadth to the feathers, 
passing on the flanks into arrow-head-like markings. The beak is black, with a 
lighter base; the iris yellow, the cere dull yellow, and the foot whitish yellow. 
Tn the young bird, as shown in the upper figure of our engraving, the general 
