45 WATER FOWL OF INDIA AND ASIA. 
The Scaup has a bill very broad towards the tip, its 
width at the widest part being more than equal to the 
distance between the front edge of the nostril and the 
nail, while in the others (except the Tufted, whose crest 
and smaller size distinguish it) it is less. 
The Common and Eastern White-eyes have no crest and 
an ordinary-shaped bill ; they are distinguished by the 
colour of the crown, the Eastern White-eye having this 
dark green or blackish, while it is plain or red-brown in 
the other, which is also smaller. . 
The Red-headed Pochard. 
Nyroca ferina, BLANFORD, Faun. Brit. Ind., Birds, 
VoL Vip. 458: 
VERNACULAR NAMES.—Burar-nar, Lal-sir, H.; 
Lal muriya, Beng.; Cheun, Nepal ; Thording- 
nam, Manipur. 
This is a very ungainly looking Duck. The bill is long 
and rather narrow, the head and feet very large, and the 
tail and wings short. 
The male is at once known from any Indian Duck by 
his conspicuous tri-coloured plumage, the head being 
rich chestnut red, the breast, rump, and stern black, 
and the body pale clear grey, this colour being produced 
by a fine pencilling of black (grey on the wings), 
the white prevailing below. 
The female (sometimes called the Dunbird) has a nut- 
brown head and breast, shaded with white about the 
cheeks and throat, a dark dirty grey body, the pencilling 
less marked and on a darker ground, and replaced by 
dark and light motthng below, and tail-coverts not so 
black as in the male. Both have a plain inconspicuous 
grey wing-bar. The young appear to resemble the 
female, but are browner, at any rate below, and the male 
in undress retains much of his full colour, merely getting 
