Canvasback

소개

독특한 경사진 이마와 긴 경사 부리를 가진 대형 잠수오리입니다. 수컷은 풍부한 밤색 빨간 머리, 검은 가슴, 연한 흰회색 몸통을 가지며 암컷은 회갈색입니다. 캔버스 같은 회색 등에서 이름을 따왔습니다. 수생 뿌리와 덩이줄기, 특히 야생 셀러리를 잠수하여 먹습니다.

Physical Description

Measurement	Value	Imperial
날개 폭	44.7 cm	17.6 in
체중	1223.25 g	43.15 oz

식별

깃털

Males have rich chestnut-red head and neck; black breast; pale canvas-gray body; white flanks. Sloping forehead profile with dark red bill and red eye. Females gray-brown with reddish-brown head. Dimorphic diving duck.

Habitat & Range

Breeds on prairie potholes and boreal lakes across western North America. Winters on large open lakes, reservoirs, estuaries, and Chesapeake Bay. Sensitive to loss of prairie wetlands.

🌿 Wetland 🏖️ Coastal

분포 지역

Breeds in wooded wetlands of Canada and the northern United States; winters in the southern US and Central America.

Diet & Feeding

Eats molluscs, crustaceans, and aquatic invertebrates; dives in coastal and freshwater habitats; diet dominated by invertebrates.

보전 상태

Least Concern

IUCN Red List

행동 및 번식

둥지

Nest type: PL. Incubation: 23-29 days. Fledging: 63-77 days.

산란 수

2-16

소리

노래

Male produces a low, cooing purr; female gives a harsh, rolling quacking series. Males whisper-call in rolling, cooing notes during courtship; female's harsh quacking is emphatic on North American marshes.

분류학

Kingdom	Animalia
Phylum	Chordata
Class	Aves
목	Anseriformes (Waterfowl)
과	Anatidae (Ducks, Geese & Swans)
Genus	Aythya
종	Aythya valisineria

Distribution

Canvasback has been recorded in 8 countries.

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출현 Not recorded

countries highlighted

🇹🇼 Taiwan 🇧🇪 Belgium 🇫🇷 France 🇳🇱 Netherlands 🇳🇴 Norway 🇸🇪 Sweden 🇬🇧 United Kingdom 🇺🇸 United States

External Databases

자주 묻는 질문

What does the Canvasback eat?

Eats molluscs, crustaceans, and aquatic invertebrates; dives in coastal and freshwater habitats; diet dominated by invertebrates.

Where does the Canvasback live?

Breeds on prairie potholes and boreal lakes across western North America. Winters on large open lakes, reservoirs, estuaries, and Chesapeake Bay. Sensitive to loss of prairie wetlands.

Is the Canvasback endangered?

The Canvasback has a conservation status of Least Concern.

How does the Canvasback nest?

Nest type: PL. Incubation: 23-29 days. Fledging: 63-77 days.

What does the Canvasback sound like?

Male produces a low, cooing purr; female gives a harsh, rolling quacking series. Males whisper-call in rolling, cooing notes during courtship; female's harsh quacking is emphatic on North American marshes.

How big is the Canvasback?

The Canvasback has a wingspan of 44.7 cm, weight of 1223.25 g.

What order and family does the Canvasback belong to?

The Canvasback (Aythya valisineria) belongs to the order Anseriformes and the family Anatidae.