White-winged Duck vs Wandering Whistling-duck
Asarcornis scutulata comparado con Dendrocygna arcuata
Side-by-Side Comparison
| Atributo | White-winged Duck | Wandering Whistling-duck |
|---|---|---|
| Nombre científico | Asarcornis scutulata | Dendrocygna arcuata |
| Orden | Anseriformes | Anseriformes |
| Familia | Anatidae | Anatidae |
| Estado de conservación | Critically Endangered | Least Concern |
| Longitud | — | — |
| Envergadura | 68,3 cm (26.9 in) | 37,2 cm (14.6 in) |
| Peso | 2950,0 g (104.06 oz) | 779,5 g (27.50 oz) |
| Dieta | Feeds on seeds, plant material, and aquatic invertebrates; dabbles in shallow water; diet varies widely … | Eats grasses, sedges, and aquatic plants in tundra; winter diet of coastal salt marsh grasses … |
| Tamaño de la puesta | 6-15 | 6-15 |
| Population Trend | — | — |
Habitat Comparison
Hábitats compartidos
White-winged Duck only
Wandering Whistling-duck only
Ninguno
White-winged Duck
Undisturbed lowland tropical forest near slow rivers, pools, and forest swamps at low elevations in northeastern India, Bangladesh, Myanmar, and Sumatra. Requires large trees with nest cavities near permanent water.
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
White-winged Duck
Critically endangered; extremely rare in wild. Gives low guttural hissing calls and soft wing-beating sounds. Vocalizations in wild scarcely documented given its rarity.
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.
Geographic Range & Migration
White-winged Duck
Breeds in northern Eurasia; winters in sub-Saharan Africa. A classic Palearctic–African migrant with a wide wintering range.
Wandering Whistling-duck
Breeds in Arctic and subarctic regions; winters at sea around the Antarctic pack ice, one of the longest migrations known.
Estado de conservación
White-winged Duck
Wandering Whistling-duck
How to Tell Them Apart
White-winged Duck
Dark brown body with pale spotting on head and neck. Bold white wing patch visible in flight. Yellowish-orange bill; legs orange. Head pale buffish-white speckled brown. Critically endangered SE Asian …
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.
About These Birds
White-winged Duck
El pato blanquibronceado o pato silvestre es una especie en peligro de extinción del sur y el sudeste de Asia. Tiene el plumaje negro brillante con la cabeza y el cuello de color blanco en el macho. Habita en densos bosques tropicales con ríos, lagunas y pantanos en India, Bangladés, Myánmar, Laos, Tailandia, Vietnam e Indonesia. La deforestación lo ha reducido a pequeñas poblaciones.
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.