ANSERIFORMES: Anatidae
Aythya australis
Other common names for the Hardhead are (or were) Brownhead, Copperhead, Coppertop, Widgeon, Punkari, White-eyed Duck, White-winged Duck, White-eye, White-wing and Barwing.*
*Frith, H.J. (1967). Waterfowl in Australia. Angus and Robertson, p.243.