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Hardhead

Aythya australis

Least Concern

날개 폭

42.7 cm

체중

803.75 g

과

Anatidae

목

Anseriformes

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.

🌿 Wetland 🏖️ Coastal

분포 지역

Breeds in northern prairie potholes; winters along the Pacific coast of North America from British Columbia to Baja California.

Diet & Feeding

Dives for molluscs, crustaceans, and aquatic invertebrates in coastal habitats; diet shifts between invertebrate types seasonally.

보전 상태

Least Concern

IUCN Red List

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.

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출현 Not recorded

countries highlighted

🇧🇪 Belgium 🇫🇷 France 🇳🇱 Netherlands 🇳🇴 Norway 🇬🇧 United Kingdom

External Databases

자주 묻는 질문

What does the Hardhead eat?

Dives for molluscs, crustaceans, and aquatic invertebrates in coastal habitats; diet shifts between invertebrate types seasonally.

Where does the Hardhead live?

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.

Is the Hardhead endangered?

The Hardhead has a conservation status of Least Concern.

How does the Hardhead nest?

Nest type: PL. Incubation: 25-32 days.

What does the Hardhead sound like?

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.

How big is the Hardhead?

The Hardhead has a wingspan of 42.7 cm, weight of 803.75 g.

What order and family does the Hardhead belong to?

The Hardhead (Aythya australis) belongs to the order Anseriformes and the family Anatidae.