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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소개
중간 크기의 잠수오리입니다. 수컷은 풍부한 밤색 몸통, 흰 눈, 청회색 부리를 가지며 암컷은 유사하지만 더 둔합니다. 오스트레일리아의 유일한 널리 분포하는 잠수오리입니다. 유목성으로, 내륙 홍수를 따라 이동합니다. 깊은 호수에서 대형 무리를 이룹니다.
Physical Description
| Measurement | Value | Imperial |
|---|---|---|
| 날개 폭 | 42.7 cm | 16.8 in |
| 체중 | 803.75 g | 28.35 oz |
식별
깃털
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.
보전 상태
행동 및 번식
둥지
Nest type: PL. Incubation: 25-32 days.
산란 수
6-18
소리
노래
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.
분류학
| Kingdom | Animalia |
| Phylum | Chordata |
| Class | Aves |
| 목 | Anseriformes (Waterfowl) |
| 과 | Anatidae (Ducks, Geese & Swans) |
| Genus | Aythya |
| 종 | Aythya australis |
Distribution
Hardhead has been recorded in 5 countries.
countries highlighted
External Databases
자주 묻는 질문
Where does the Hardhead live?
Is the Hardhead endangered?
How does the Hardhead nest?
What does the Hardhead sound like?
How big is the Hardhead?
What order and family does the Hardhead belong to?
Similar Birds
Other species in the Anatidae family