Wandering Whistling-duck vs White-headed Duck
Dendrocygna arcuata comparado con Oxyura leucocephala
Side-by-Side Comparison
| Atributo | Wandering Whistling-duck | White-headed Duck |
|---|---|---|
| Nombre científico | Dendrocygna arcuata | Oxyura leucocephala |
| Orden | Anseriformes | Anseriformes |
| Familia | Anatidae | Anatidae |
| Estado de conservación | Least Concern | Endangered |
| Longitud | — | — |
| Envergadura | 37,2 cm (14.6 in) | 29,7 cm (11.7 in) |
| Peso | 779,5 g (27.50 oz) | 705,0 g (24.87 oz) |
| Dieta | Eats grasses, sedges, and aquatic plants in tundra; winter diet of coastal salt marsh grasses … | Dives for aquatic invertebrates, seeds, and plant roots in Mediterranean and Central Asian wetlands. Critically … |
| Tamaño de la puesta | 6-15 | 3-10 |
| Population Trend | — | — |
Habitat Comparison
Wandering Whistling-duck
Tropical freshwater marshes, flooded grasslands, swamps, and lake margins from the Philippines and Indonesia through Papua New Guinea to northern and eastern Australia. Nomadic following wet season flooding.
Song & Call Comparison
Wandering Whistling-duck
A soft whistle 'whi-whi-whi' in flight. Less vocal than other whistling-ducks; flocks tend to be quieter. Given at dawn and dusk during flight to roosting or feeding areas.
White-headed Duck
Male produces a mechanical, rapid bill-drumming; female gives a harsh, grating quack. The drumming staccato display is the same pattern as other Oxyura stiff-tails; heard on Eurasian steppe lakes.
Geographic Range & Migration
Wandering Whistling-duck
Breeds in Arctic and subarctic regions; winters at sea around the Antarctic pack ice, one of the longest migrations known.
White-headed Duck
Breeds in Spain, Turkey, central Asia, and Mongolia. Winters in the Mediterranean, the Middle East, and northern India. Globally endangered.
Estado de conservación
Wandering Whistling-duck
White-headed Duck
How to Tell Them Apart
Wandering Whistling-duck
Rich chestnut-brown head and neck; dark brown back. Flanks rufous with pale buff streaks and dark spots. Belly blackish. Long, dark pinkish legs. Upright posture typical of whistling-ducks. Sexes similar.
White-headed Duck
Male has entirely white head with small black crown patch, rich chestnut-brown body, and large bulbous powder-blue bill. Female is brown with pale whitish face divided by dark streak across …
About These Birds
Wandering Whistling-duck
El pato silbador vagabundo es un pato silbador de distribución amplia en las regiones tropicales de Asia y el Pacífico, desde Borneo e Indonesia hasta Nueva Guinea y Australia. Tiene plumaje castaño con blanco y negro en los flancos. Habita en humedales tropicales, pantanos, lagunas, estanques y arrozales. Es una especie nómada que sigue las lluvias en busca de humedales.
White-headed Duck
El pato malvasía es un pato de cola tiesa en peligro de extinción con el macho de llamativa cabeza blanca y cuello negro con el pico azul brillante hinchado en la base. En el pasado fue cazado intensamente y su hábitat fue drenado, lo que lo llevó al borde de la extinción en el siglo XX. Gracias a esfuerzos de conservación intensivos, sus poblaciones se han recuperado parcialmente en el Mediterráneo.