140 
*227. Terathopius ecaudatus (Daud.), Traité, i1., 
p- 54 (1800). [Anteniquoi country, S.Africa.] 
Bataleur Eagle. 
[T. leuconotus (Riipp.) is a synonym. ] 
Wing ¢ 545, tail 122 mm.; ¢ wing 532, 
tail 116 mm. ; head and under parts glossy 
black; hind neck, mantle and tail rich 
maroon chestnut, lower back paler ; scapu- 
lars and quills black; wing-coverts pale 
bronze brown, whitish on shoulder ; under 
wing-coverts white ; axillaries black ; bill 
black, feet coral red. 
Africa (Cape 
Colony to 
Egyptian Sudan 
and E. Africa ; 
Senegal). 
Gen. LXIII. HALIEETUS Savigny (1809). 
Type H. nisus =Falco albicilla L. 
Size of, and with general characters of Aquila, but 
tarsus not feathered more than half way down ; 
the front scutellated, sides and back reticulated ; 
no membrane between the toes ; head not crested, 
but feathers of neck long and lanceolate ; tail 
with 12 feathers. 
+*228. Halieétus albicilla albicilla (Linn.), S.N.,i., 
p. 89 (1758). [ Europa, America ’’— 
latter errore—type loc. Sweden apud Har- 
tert.] 
White-tailed Eagle. 
Wing ¢ 600-630, 2 650-690 mm. ; general 
plumage brown, with paler greyish margins 
to many of the feathers above ; head and 
neck much paler, nearly white in very old 
birds, with ashy brown streaks; quills 
black, shaded with grey externally ; longer 
upper tail-coverts and tail pure white ; bill 
and feet yellow. Immature: head and neck 
blackish brown ; general plumage fulvous 
brown, mottled with dark brown; tail 
brown. 
Europe, S. to 
Mediterranean 
on E. side ; 
Iceland ; 
Asia Minor, 
Mesopotamia, 
N. and E. Asia ; 
in winter S. to 
India ; cas. 
Alaska ? 
