Tufted Duck vs Spotted Whistling-duck
Aythya fuligula comparado con Dendrocygna guttata
Side-by-Side Comparison
| Atributo | Tufted Duck | Spotted Whistling-duck |
|---|---|---|
| Nombre científico | Aythya fuligula | Dendrocygna guttata |
| Orden | Anseriformes | Anseriformes |
| Familia | Anatidae | Anatidae |
| Estado de conservación | Least Concern | Least Concern |
| Longitud | — | — |
| Envergadura | 39,4 cm (15.5 in) | 41,3 cm (16.3 in) |
| Peso | 700,0 g (24.69 oz) | 677,5 g (23.90 oz) |
| Dieta | Dives for molluscs, crustaceans, and aquatic invertebrates; diet dominated by hard-shelled benthic prey in coastal … | Primarily herbivorous; grazes tundra grasses and sedges; winters on coastal marshes and farmland, switching to … |
| Tamaño de la puesta | 3-22 | 10-11 |
| Population Trend | — | — |
Habitat Comparison
Hábitats compartidos
Tufted Duck only
Ninguno
Spotted Whistling-duck only
Tufted Duck
Breeds on freshwater lakes and rivers with emergent vegetation across Eurasia from Iceland and western Europe east to Siberia and Japan. Winters on large open lakes, reservoirs, and sheltered coastal bays.
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
Tufted Duck
Male emits a soft, low wheeze; female gives a grating, repeated quack. A common call on Eurasian freshwater lakes; male's soft purring is quiet while female's quacking is emphatic and …
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
Tufted Duck
Breeds in sub-Arctic and boreal Canada; winters along the Atlantic coast and in the Caribbean. Rare elsewhere in winter.
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
Tufted Duck
Spotted Whistling-duck
How to Tell Them Apart
Tufted Duck
Males black with white flanks; rounded head with long drooping black tuft. Yellow eye. Females dark brown with shorter tuft; pale flanks; sometimes white at base of bill. Bold white …
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
Tufted Duck
El porrón moñudo es un pato buceador fácilmente reconocible por el largo mechón negro que cae desde la nuca del macho. El macho es de color negro brillante con los flancos blancos; la hembra es de color marrón oscuro con un mechón más corto. Ampliamente distribuido por Europa y Asia, habita en lagos, embalses y ríos de corriente lenta.
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.