Spotted Whistling-duck vs Siberian Scoter
Dendrocygna guttata comparado con Melanitta stejnegeri
Side-by-Side Comparison
| Atributo | Spotted Whistling-duck | Siberian Scoter |
|---|---|---|
| Nombre científico | Dendrocygna guttata | Melanitta stejnegeri |
| Orden | Anseriformes | Anseriformes |
| Familia | Anatidae | Anatidae |
| Estado de conservación | Least Concern | Least Concern |
| Longitud | — | — |
| Envergadura | 41,3 cm (16.3 in) | 53,4 cm (21.0 in) |
| Peso | 677,5 g (23.90 oz) | 1267,5 g (44.71 oz) |
| Dieta | Primarily herbivorous; grazes tundra grasses and sedges; winters on coastal marshes and farmland, switching to … | Dives for bivalves, crustaceans, and aquatic invertebrates in coastal East Asian waters. Diet similar to … |
| Tamaño de la puesta | 10-11 | 6-9 |
| Population Trend | — | — |
Habitat Comparison
Hábitats compartidos
Spotted Whistling-duck only
Siberian Scoter only
Spotted Whistling-duck
Freshwater wetlands, rice fields, streams, and forest pools in New Guinea, Sulawesi, the Philippines, and Moluccas. Often found near forested rivers and seasonal swamps at low elevations.
Song & Call Comparison
Spotted Whistling-duck
A musical, high whistle similar to other whistling-ducks. Call is softer and less far-carrying than White-faced or Black-bellied species. Given in flight and on water.
Siberian Scoter
Male emits a soft, piping whistle; female produces a guttural, grating call. Voice resembles White-winged Scoter; heard during winter on East Asian coasts and large inland seas.
Geographic Range & Migration
Spotted Whistling-duck
Ranges widely across sub-Saharan Africa in open woodland and savanna. Largely sedentary with local seasonal movements to water.
Siberian Scoter
Breeds in boreal forests and tundra of central and eastern Siberia. Winters along the coasts of Japan, Korea, and northeastern China.
Estado de conservación
Spotted Whistling-duck
Siberian Scoter
How to Tell Them Apart
Spotted Whistling-duck
Dark brown above; head and neck dark brown. Underparts heavily spotted white on dark brown ground, giving spotted appearance. Flanks with bold white spots. Pink-red bill and legs. Sexes similar.
Siberian Scoter
Male is uniformly black with white secondaries forming wing patch; orange-yellow bill has large black knob at base and pale yellow tip. Female dark brown with paler facial patches and …
About These Birds
Spotted Whistling-duck
El pato silbador moteado es un pato silbador de Indonesia, Filipinas y Nueva Guinea, fácilmente reconocible por el plumaje marrón oscuro con manchas blancas en los flancos. Habita en bosques húmedos tropicales con estanques, pantanos y arrozales. Como todos los patos silbadores, tiene un llamado silbante característico y postura erguida. Está clasificado como casi amenazado.
Siberian Scoter
El negrón de Stejneger es un gran pato marino de Asia del este con el macho de color negro brillante con un llamativo pico naranja y amarillo con manchas naranjas y negras. Cría en el nordeste de Asia y pasa el invierno en el mar Amarillo, el mar de Japón y las aguas costeras del noreste de Asia. Está clasificado como vulnerable por el declive de sus poblaciones.