320 
BIEDS OF BRITISH BUEMAH. 
Length about 12 inches^ tail 5'3_, wing 9, tarsus I'l^ bill from gape '7. 
The female is of very much the same size^ perhaps a little larger^ not 
notably so. 
The description of the adults is taken from a pair shot by Mr. Swinhoe 
in China^ and figured in Mr. Gould^s Birds of Asia/ 
C. vespertina, the Western form^ is similar in general appearance ; the 
adult male differs in having the under wing-coverts and axillaries the same 
slate-colour as the abdomen^ not white ; the female differs in having the 
head rufous and the under plumage almost uniform rufous_, with no marks 
except a few black shaft-lines ; the young bird differs in having no bars 
on the sides of the body^ and the tail has more bars, usually about eleven 
against eight in C. amurensis. 
The Eastern Red-footed Kestril appears to be a winter visitor to 
Burmah. Capt. Feilden, the only naturalist who has observed them in 
Burmah, met with them at Thayetmyo in January and February. 
It is found in summer in North-eastern Asia ; and it winters in Southern 
Africa, passing en route through India and the Indo-Burmese countries. 
This Kestril is generally gregarious, and it feeds on insects, which it 
catches both on the wing and on the ground. 
Suborder PANDIONES. 
Genus PANDION, Savigny. 
591. PANDION HALIAETUS. 
THE OSPREY. 
Falco haliaetus, Lm. Syst. Nat. i. p. 129. Pandion haliaetus, Jei^d. B. Ind. i. 
p. 80 ; Hume, Hough Notes, i. p. 234 ; Sharpe, Cat. Birds B. Mus. i. p. 449 ; 
Salvad. Ucc. Born. p. 7 ; Bl.B. Burm. p. 63; Dresser, B. Eur. vi. p. 139, pi.; 
David et Oust. Ois. Chine, p. 14 ; Legge, Birds Ceylon, p. 122 ; Hume 8f Dav. 
S. F. vi. p, 16 ; Anders. Yunnan Exped. p. 575 ; Hume, S. F. viii. p. 82 ; Oates, 
S. F. X, p. 179 ; Kelham, Ihis, 1881, p. 367 ; Gurney, Fois, 1882, p. 594 ; Seebohtn, 
B. Birds, i. p. 55. 
Description. — Male and female. Forehead, crown and nape white^ each 
feather with a brown tip ; ear-coverts, sides of the neck and the whole 
upper plumage rich hair-brown, each feather obsoletely margined paler ; 
sides of the head and the whole lower plumage pure white ; the breast 
streaked with brown tinged with rusty ; primaries dark brown; secon- 
daries paler, barred with white on the inner webs ; tail brown, the outer 
