African Black Duck vs Maned Duck
Anas sparsa so với Chenonetta jubata
Side-by-Side Comparison
| Thuộc Tính | African Black Duck | Maned Duck |
|---|---|---|
| Tên Khoa Học | Anas sparsa | Chenonetta jubata |
| Bộ | Anseriformes | Anseriformes |
| Họ | Anatidae | Anatidae |
| Tình Trạng Bảo Tồn | Least Concern | Least Concern |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 49,5 cm (19.5 in) | 51,8 cm (20.4 in) |
| Khối Lượng | 996,8333333333334 g (35.16 oz) | 825,25 g (29.11 oz) |
| Chế Độ Ăn | -- | -- |
| Số Trứng | 4-9 | 8-11 |
| Population Trend | — | — |
Habitat Comparison
African Black Duck
Fast-flowing rocky rivers and streams, mountain gorges, and waterfalls from sea level to 4,000 m across sub-Saharan Africa from Ethiopia and Kenya south to the Cape. Requires clear turbulent water with boulders.
Maned Duck
Open woodland, grassland, parks, golf courses, and farmland near water across most of Australia. Nests in tree hollows up to 30m high. Grazes terrestrially. Highly adaptable to modified and urban environments.
Song & Call Comparison
African Black Duck
Produces a harsh, resonant quacking call; alarm is a loud, emphatic quack repeated rapidly. Both sexes call with strong quacking; pairs duet with synchronized calls along African rivers.
Maned Duck
Male utters soft, goose-like honking notes; female gives a harsh, repeated quacking rattle. Alarm call is a loud, abrupt nasal honk carrying over open water.
Tình Trạng Bảo Tồn
African Black Duck
Maned Duck
How to Tell Them Apart
African Black Duck
Dark blackish-brown plumage with bold white spots on back and scapulars. Iridescent blue-green speculum with white borders. Head dark with pale spots. Bill and legs dark gray. Sexes similar. Fast-flowing …
Maned Duck
Males have brownish head with short dark mane; gray body with fine vermiculations and chestnut breast spots. Females brown with white supercilium and white chin. Both show white speculum in …
About These Birds
African Black Duck
A medium-sized dark brown duck with white spots on the back, a dark bill, and orange legs. Found along fast-flowing rocky rivers and streams in Africa. Territorial and monogamous; pairs defend stretches of river. Related to Pacific Black Duck.
Maned Duck
An elegant medium-sized duck with a grey body, chestnut-spotted breast in males, brown head with a short mane, and short grey bill. Endemic to Australia; also called the Australian Wood Duck. Grazes on grass in open woodland and pastures near water. Highly adaptable; common in urban parks and golf courses.