Spotted Whistling-duck vs Red-crested Pochard
Dendrocygna guttata comparado con Netta rufina
Side-by-Side Comparison
| Atributo | Spotted Whistling-duck | Red-crested Pochard |
|---|---|---|
| Nombre científico | Dendrocygna guttata | Netta rufina |
| Orden | Anseriformes | Anseriformes |
| Familia | Anatidae | Anatidae |
| Estado de conservación | Least Concern | Least Concern |
| Longitud | — | — |
| Envergadura | 41,3 cm (16.3 in) | 51,7 cm (20.4 in) |
| Peso | 677,5 g (23.90 oz) | 1087,5 g (38.36 oz) |
| Dieta | Primarily herbivorous; grazes tundra grasses and sedges; winters on coastal marshes and farmland, switching to … | Dives for molluscs and aquatic invertebrates in coastal habitats; diet dominated by hard-shelled benthic invertebrates. |
| Tamaño de la puesta | 10-11 | 6-14 |
| Population Trend | — | — |
Habitat Comparison
Hábitats compartidos
Spotted Whistling-duck only
Red-crested Pochard only
Ninguno
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.
Red-crested Pochard
Large freshwater and brackish lakes, reservoirs, river deltas, and coastal lagoons across southern Europe and Central Asia. Winters on large open water bodies in southern Europe, the Middle East, and South Asia.
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.
Red-crested Pochard
Male emits a harsh, rasping errr note; female gives a loud, quacking series. The raspy male call is distinctive among pochards; alarm is an emphatic, repeated series on Eurasian lakes.
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.
Red-crested Pochard
Breeds across Arctic and subarctic North America; winters broadly across the interior and coastal United States.
Estado de conservación
Spotted Whistling-duck
Red-crested Pochard
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.
Red-crested Pochard
Males have rounded orange-rufous head with bright red bill; black breast, neck and undertail; white flanks; brown back. Females dark brown with pale cheeks. Bold white wing stripe in flight. …
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.
Red-crested Pochard
El pato colorado (unos 1,1 kg) es un pato buceador vistoso con la cabeza roja anaranjada esponjada del macho, el pico rojo, el cuerpo negro y los flancos blancos. Habita lagunas y lagos con abundante vegetación acuática en el sur de Europa y Asia central. A diferencia de otros patos buceadores, también pastorea en tierra y se alimenta de plantas acuáticas, semillas y moluscos. La hembra tiene la cabeza pardo grisácea con las mejillas cremas. Las poblaciones en el occidente …