Fulvous Whistling-duck vs Spotted Whistling-duck
Dendrocygna bicolor comparado con Dendrocygna guttata
Side-by-Side Comparison
| Atributo | Fulvous Whistling-duck | Spotted Whistling-duck |
|---|---|---|
| Nombre científico | Dendrocygna bicolor | Dendrocygna guttata |
| Orden | Anseriformes | Anseriformes |
| Familia | Anatidae | Anatidae |
| Estado de conservación | Least Concern | Least Concern |
| Longitud | — | — |
| Envergadura | 44,6 cm (17.6 in) | 41,3 cm (16.3 in) |
| Peso | 733,4 g (25.87 oz) | 677,5 g (23.90 oz) |
| Dieta | Grazes grasses and sedges in Arctic tundra; large migratory goose; winter diet dominated by agricultural … | Primarily herbivorous; grazes tundra grasses and sedges; winters on coastal marshes and farmland, switching to … |
| Tamaño de la puesta | 6-16 | 10-11 |
| Population Trend | — | — |
Habitat Comparison
Hábitats compartidos
Fulvous Whistling-duck only
Ninguno
Spotted Whistling-duck only
Fulvous Whistling-duck
Freshwater marshes, rice paddies, flooded fields, shallow lakes, and river margins across warm tropical and subtropical regions of the Americas, Africa, and South Asia. Highly nomadic, following rains.
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
Fulvous Whistling-duck
A soft, rhythmic 'ka-WHEE-00' whistle. Flocks give continuous soft whistling sounds during flight over tropical wetlands. Also gives shorter 'kee' contact notes.
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.
Geographic Range & Migration
Fulvous Whistling-duck
Breeds across Eurasia from Iceland and western Europe to eastern Siberia; winters from Britain to the Mediterranean and South Asia.
Spotted Whistling-duck
Ranges widely across sub-Saharan Africa in open woodland and savanna. Largely sedentary with local seasonal movements to water.
Estado de conservación
Fulvous Whistling-duck
Spotted Whistling-duck
How to Tell Them Apart
Fulvous Whistling-duck
Warm fulvous-buff underparts with creamy white flank stripes. Upperparts dark brown with pale buff feather edges. Dark brown stripe down back of neck. Long bluish-gray legs. Sexes identical.
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.
About These Birds
Fulvous Whistling-duck
El pato silbador leonado es el pato silbador de distribución más amplia, encontrándose en América del Sur y Central, África subsahariana y el sur de Asia. Tiene plumaje de color canela rojizo uniforme con las alas y el dorso de color oscuro. Es gregario y habita en lagunas, arrozales, pantanos y aguas tropicales abiertas, a menudo formando grandes bandadas.
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.