Wandering Whistling-duck vs Common Eider
Dendrocygna arcuata comparado con Somateria mollissima
Side-by-Side Comparison
| Atributo | Wandering Whistling-duck | Common Eider |
|---|---|---|
| Nombre científico | Dendrocygna arcuata | Somateria mollissima |
| Orden | Anseriformes | Anseriformes |
| Familia | Anatidae | Anatidae |
| Estado de conservación | Least Concern | Near Threatened |
| Longitud | — | — |
| Envergadura | 37,2 cm (14.6 in) | 56,0 cm (22.0 in) |
| Peso | 779,5 g (27.50 oz) | 2042,8333333333333 g (72.06 oz) |
| Dieta | Eats grasses, sedges, and aquatic plants in tundra; winter diet of coastal salt marsh grasses … | Dives for blue mussels, clams, and crustaceans in shallow coastal waters. Swallows shellfish whole and … |
| Tamaño de la puesta | 6-15 | 2-7 |
| 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.
Common Eider
Male produces a loud, resonant ah-WOOO cooing; female gives a deep, guttural quacking series. The male's iconic moaning call echoes across North Atlantic coastlines; a classic seaduck sound.
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.
Common Eider
Breeds on Arctic and subarctic coasts from the North Atlantic to the Pacific. Winters along coasts of northwestern Europe and eastern North America.
Estado de conservación
Wandering Whistling-duck
Common Eider
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.
Common Eider
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.
Common Eider
El eider común es el pato más grande de Europa y uno de los más reconocibles, con el macho de vistoso plumaje blanco en la parte superior y negro en la inferior, más la cabeza verde. Las hembras son famosas por las plumas de su nido (edredón), que se han recolectado en Islandia durante siglos para la fabricación de edredones. Habita en costas marinas del Ártico y el subártico.