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FALCO PULVUS. 
RING TAILED EAGLE. 
Cere yellow; legs downy, rusty; back 
brown ; tail with a white band, 
Falco Fulvus, Lin. Gme. 
L'Aigle Commun, BufFon. 
Black Eagle, Pennant. 
Ring-tailed Eagle, Will. Pen. Lath. Shaw, 
Bew. Mont. 
White-tailed Eagle, Edwards. 
The Ring-tailed Eagle nearly equals in 
size the Golden Eagle, and its manners are 
similar. 
Sonnini observes, that " almost all na- 
turalists who have written upon birds have 
made two distinct species of the Brown and 
Black Eagle; some indeed have considered 
them only as the male and female of the 
same species, and in the eyes of BufFon they 
appeared to be simple varieties. Although 
this opinion (adopted by a more recent orni- 
thologist, Daudin) is very probable; it is 
not however proved. The question does 
c 2 
