NYROCA AUSTRALIS, Gould. 
White-eyed Duck. 
Nyroca Australis, Gould, MSS. Eyton, Mon. of Anat., p. 160. 
Er-ro'o-doo, Aborigines of the lowland districts of Western Australia. 
Bud-bun-bun-loot, Aborigines of Port Essington. 
White-winged Duck of the Colonists. 
This bird is frequently seen on the rivers in Van Diemen’s Land, where I am certain that it breeds, the eggs 
in my own collection having been taken on the banks of the Derwent; I also shot many individuals on 
the Upper Hunter in the autumn of 1839, and from what I could learn from persons resident there, it 
makes annual visits to such parts of New South Wales when the lagoons are filled with water and food con- 
sequently abundant. The flats between Aberdeen and Scone had hundreds of these birds on them in com- 
pany with the Pink-eyed Teal and Shovellers. I have also a fine example killed by Commander Ince, R.N., 
near the settlement at Port Essington, where however it is very rare ; it is also occasionally met with in 
Western Australia. In this bird we have another beautiful representative of a species common to Europe 
and India, the Nyroca leucophthalnios, both birds having white eyes and a similar style of plumage ; the 
Australian species differs however from its near ally in having a lighter-coloured plumage, and less of the 
chestnut hue ; it is also a much larger bird. Quiet reaches of rivers where the water runs slowly, bays 
and inlets of the sea and lagoons, are among its favourite places of resort. As may be supposed, it is a 
very excellent diver and gains much of its food beneath the surface of the water, readily descending to the 
bottom in search of mollusca, insects and aquatic plants. 
The only outward difference between the sexes consists in the female being rather smaller than the male, 
and somewhat less bright in colour. 
The male lias the general plumage chestnut-brown ; across the breast a broad band of brownish white ; 
secondaries white at the base, forming a conspicuous mark across the wing, and tipped with bronzy brown ; 
basal portion of the inner webs of the primaries and under tail-coverts white ; bill black with a band of 
blue-grey near the tip; irides white; forepart of the tarsi lead-colour; hind part of the tarsi and the webs 
blackish brown. 
The female is similar, but much paler in colour, and has the centre of the abdomen brownish white, 
blending into the chestnut in lieu of the broad band crossing the same part in the male. 
The front bird in the accompanying Plate represents the bird nearly the size of life. 
