Canvasback
Aythya valisineria
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О нас
A large diving duck with a distinctive sloping forehead and long sloped bill. Males have a rich chestnut-red head, black breast, and pale white-grey body; females are grey-brown. Named for its canvas-like grey back. Dives for aquatic roots and tubers, especially wild celery.
Physical Description
| Measurement | Value | Imperial |
|---|---|---|
| Размах крыльев | 44,7 cm | 17.6 in |
| Масса | 1223,25 g | 43.15 oz |
Идентификация
Оперение
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.
Географический ареал
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.
Охранный статус
Поведение и размножение
Гнездование
Nest type: PL. Incubation: 23-29 days. Fledging: 63-77 days.
Размер кладки
2-16
Звук
Пение
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.
Таксономия
| Kingdom | Animalia |
| Phylum | Chordata |
| Class | Aves |
| Отряд | Anseriformes (Waterfowl) |
| Семейство | Anatidae (Ducks, Geese & Swans) |
| Genus | Aythya |
| Виды | Aythya valisineria |
Distribution
Canvasback has been recorded in 8 countries.
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External Databases
Часто задаваемые вопросы
What does the Canvasback eat?
Where does the Canvasback live?
Is the Canvasback endangered?
How does the Canvasback nest?
What does the Canvasback sound like?
How big is the Canvasback?
What order and family does the Canvasback belong to?
Similar Birds
Other species in the Anatidae family