Hardhead
Aythya australis
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<birdfyi-bird slug="aythya-australis"></birdfyi-bird>The Hardhead (Aythya australis) is a bird species in the family Anatidae (ducks, geese & swans), within the order Anseriformes (waterfowl). Recorded measurements include a wingspan of 42.7 cm and a weight of 803.8 g. The IUCN Red List classifies it as Least Concern.
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О нас
A medium-sized diving duck. Males have rich chestnut-brown body, white eye, and blue-grey bill; females are similar but duller. Australia's only widespread diving duck. Nomadic; follows inland flooding. Forms large rafts on deep lakes.
Physical Description
| Measurement | Value | Imperial |
|---|---|---|
| Размах крыльев | 42,7 cm | 16.8 in |
| Масса | 803,75 g | 28.35 oz |
Идентификация
Оперение
Males dark chocolate-brown with white undertail and flanks. White eye conspicuous. Blue-gray bill with white band and black tip. Females similar but brown with brown eye. Bold white wing stripe in flight. Australian endemic.
Habitat & Range
Deep freshwater lakes, rivers, and reservoirs across Australia and New Guinea. Nomadic in Australia, following seasonal inland flooding. Prefers deep water with submerged aquatic plants.
Охранный статус
Поведение и размножение
Гнездование
Nest type: PL. Incubation: 25-32 days.
Размер кладки
6-18
Звук
Пение
Male produces a deep, purring wheeze; female gives a grating quacking series. Calls closely resemble Common Pochard; the female's harsh notes carry far across Australian freshwater lakes.
Таксономия
| Kingdom | Animalia |
| Phylum | Chordata |
| Class | Aves |
| Отряд | Anseriformes (Waterfowl) |
| Семейство | Anatidae (Ducks, Geese & Swans) |
| Genus | Aythya |
| Виды | Aythya australis |
Distribution
Hardhead has been recorded in 5 countries.
countries highlighted
External Databases
Часто задаваемые вопросы
Where does the Hardhead live?
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Similar Birds
Other species in the Anatidae family