. . "Nyroca australis (Eyton, 1838)" . . . . "The hardhead (Aythya australis) (also white-eyed duck) is the only true diving duck found in Australia. Hardheads are common in the south-east of Australia, particularly in the Murray-Darling Basin, but also in the wetter country near the coasts. They are moderately nomadic in normal years, but disperse widely in times of drought."@en . "Hardhead"@en . "IUCN3.1" . . . . "LC" . . .