American Black Duck vs Maned Duck
Anas rubripes в сравнении с Chenonetta jubata
Side-by-Side Comparison
| Характеристика | American Black Duck | Maned Duck |
|---|---|---|
| Научное название | Anas rubripes | Chenonetta jubata |
| Отряд | Anseriformes | Anseriformes |
| Семейство | Anatidae | Anatidae |
| Охранный статус | Least Concern | Least Concern |
| Длина | — | — |
| Размах крыльев | 53,4 cm (21.0 in) | 51,8 cm (20.4 in) |
| Масса | 1211,25 g (42.73 oz) | 825,25 g (29.11 oz) |
| Питание | -- | -- |
| Размер кладки | 1-17 | 8-11 |
| Population Trend | — | — |
Habitat Comparison
American Black Duck
Freshwater and brackish wetlands in eastern North America from Atlantic Canada south along the coast to Georgia. Breeds in northern bogs and wetlands. Winters on coastal marshes, estuaries, and freshwater lakes.
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
American Black Duck
Female produces a loud, deep quacking series; male gives a low, raspy grunt. Voice is deeper and huskier than a Mallard; pairs call powerfully across northeastern North American wetlands.
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.
Охранный статус
American Black Duck
Maned Duck
How to Tell Them Apart
American Black Duck
Sooty dark brown body; head and neck paler buff with dark streaking. Iridescent purple speculum without white border. Males have yellow-green bill; females olive with orange blotches. Silvery underwings in …
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
American Black Duck
A large dark brown dabbling duck closely resembling a very dark female Mallard, with purple speculum, yellowish-olive bill in males, and orange legs. Common in eastern North America. Hybridizes freely with Mallard; pure populations declining in the interior.
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.