158 A HANDBOOK OF EUROPEAN BIRDS. 
of under parts dark brown, darker on chin and throat and 
paler on abdomen and tars quills blackish-brown ;_ tail- 
feathers shaded brown, darkefat tips and mottled with dark 
grey ; thighs uniform dark brown; bill bluish horn-colour, 
darker at tip; cere and feet yellow ; claws black ; irides hazel- 
brown. Length 30 to 36 inches; culmen 2°75 ; wing 23°5 to 
24°5 ; tail 13 to 13°5 ; tarsus 4°25. Female slightly larger than 
the male. 
Immature Birds: Head and neck more uniform in colour 
with the back; the tail white at the base; under parts show 
more white than adults, and the tarsi are dull white, somewhat 
mottled with brown. 
Distribution : Inhabits most of the Palearctic and 
Nearctic regions. 
Habitat : Mountainous regions, high moors, &c. 
BONELLI’S EAGLE. 
Aquila fasciata Vze7//. 
Adult: Above deep brown, most of feathers margined with 
lighter brown, especially on head and neck, and most of those 
of fore parts white at bases; quills blackish-brown, mottled 
with white ; inner webs barred with brown ; tail-feathers brown, 
washed with greyish, and obscurely barred with dusky brown, 
paler at tips; under parts white, or tinged with pale rufous- 
buff, and narrowly streaked, pretty uniformly, with blackish ; 
bill dark horn-colour, paler at base; cere and feet yellow ; 
irides orange-brown. Length 24 to 28 inches; culmen 
FeeutO 20> wilt TS 5 00 2k sia tr .O 501 O «yee saseee 
lo 43. 
Young: Very similar to adults, but under parts are rufous- 
brown or (on fore parts) almost foxy-red, and closely streaked 
with deep brown. 
Distribution: Inhabits Southern Europe, Northern 
Africa, and ranges eastward into India. 
Habitat: Wooded regions near to water, breeding in 
cliffs. 
