Appearance:
Male - The male Hardhead has a uniform chocolate-brown plumage above, with white undersides and white undertail. The underwings are white edged with brown. The male has striking white eyes and the beak is blackish with a blue-white bar across the tip.
Female - The female is similar but has brown eyes and has a paler brown plumage.
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Size: - Typical Adult is 45-60cm (18-23in).
Food: - Aquatic plants, seeds, weeds, invertebrates, molluscs, and aquatic insects. They feed by diving deeply, staying submerged for up to a minute at a time.
Habitat/Range: - Wetlands, deep lakes, swamps, rivers, and flooded grassland, they are widespread throughout Australia (mainly in the south-east) and Tasmania, also occasionally found in New Zealand, and New Guinea.
Breeding Habitat/Resident, 
Migration or Winter Area.Breeding Season: - August to November.
Eggs: - 9-12 (creamy-white colour).
Notes: - The Hardhead is the only true diving duck in Australia and is sometimes called the white-eyed Duck due to the male's striking white eyes.
Conservation status (IUCN 3.1):
Least Concern.
Classification: - Family: Anatidae,
Subfamily: Aythyinae, Genus: Aythya.
Hardhead video:
