Spotted Whistling-duck vs Chiloe Wigeon
Dendrocygna guttata comparado con Mareca sibilatrix
Side-by-Side Comparison
| Atributo | Spotted Whistling-duck | Chiloe Wigeon |
|---|---|---|
| Nombre científico | Dendrocygna guttata | Mareca sibilatrix |
| Orden | Anseriformes | Anseriformes |
| Familia | Anatidae | Anatidae |
| Estado de conservación | Least Concern | Least Concern |
| Longitud | — | — |
| Envergadura | 41,3 cm (16.3 in) | 49,0 cm (19.3 in) |
| Peso | 677,5 g (23.90 oz) | 922,8333333333334 g (32.55 oz) |
| Dieta | Primarily herbivorous; grazes tundra grasses and sedges; winters on coastal marshes and farmland, switching to … | Dabbles for seeds and aquatic invertebrates; diet varies between plant matter and invertebrates seasonally in … |
| Tamaño de la puesta | 10-11 | 2-13 |
| Population Trend | — | — |
Habitat Comparison
Hábitats compartidos
Spotted Whistling-duck only
Chiloe Wigeon 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.
Chiloe Wigeon
Lakes, rivers, freshwater marshes, and coastal lagoons in southern South America from southern Peru and Bolivia south through Chile and Argentina to Tierra del Fuego and the Falkland Islands.
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.
Chiloe Wigeon
Male utters a short, melodious whistle; female gives a low purring note. Pairs and flocks call with clear piping exchanges across South American wetlands and coastal lagoons.
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.
Chiloe Wigeon
Found across Australia, New Guinea, Indonesia, and the Philippines. Nomadic in drier areas; resident in well-watered regions.
Estado de conservación
Spotted Whistling-duck
Chiloe Wigeon
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.
Chiloe Wigeon
Iridescent dark green head with white forehead blaze. Black and white barred flanks; rufous breast; white belly. White forewing patch. Legs blue-gray. Females similar but duller. South American temperate species.
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.
Chiloe Wigeon
A large boldly patterned wigeon with a metallic green head, white face, black breast, grey flanks with white barring, and a bright orange-yellow bill. Endemic to southern South America. Highly territorial; pairs defend lake territories. Named for Chiloé Island in Chile.