Plumed Whistling-duck vs Black-headed Duck
Dendrocygna eytoni comparado con Heteronetta atricapilla
Side-by-Side Comparison
| Atributo | Plumed Whistling-duck | Black-headed Duck |
|---|---|---|
| Nombre científico | Dendrocygna eytoni | Heteronetta atricapilla |
| Orden | Anseriformes | Anseriformes |
| Familia | Anatidae | Anatidae |
| Estado de conservación | Least Concern | Least Concern |
| Longitud | — | — |
| Envergadura | 46,4 cm (18.3 in) | 34,7 cm (13.7 in) |
| Peso | 877,5 g (30.95 oz) | 528,5 g (18.64 oz) |
| Dieta | Grazes short tundra grasses; also takes aquatic vegetation; large Arctic goose wintering on coastal marshes … | Parasitic; adults may feed on aquatic plants, seeds, and invertebrates in South American marshes. Diet … |
| Tamaño de la puesta | 8-14 | 2 |
| Population Trend | — | — |
Habitat Comparison
Hábitats compartidos
Plumed Whistling-duck only
Ninguno
Black-headed Duck only
Ninguno
Plumed Whistling-duck
Grassy tropical wetland margins, flooded plains, and well-watered pastures in northern and eastern Australia. Grazes on land near water at night; rests on open ground or in trees during the day.
Song & Call Comparison
Plumed Whistling-duck
A high, reedy whistling call similar to other Dendrocygna. Plumed Whistling-duck gives 'grassy' grassland calls. Less musical than White-faced; contact notes are short whistles.
Black-headed Duck
Male gives a soft, raspy peeping note; female produces a muted quack. An obligate brood parasite with reduced vocalizations; subdued calls suit its secretive lifestyle among Argentine reeds.
Geographic Range & Migration
Plumed Whistling-duck
Breeds in the Holarctic tundra and boreal zones; winters on temperate coasts and large inland lakes globally.
Black-headed Duck
Resident in southern South America from southern Brazil and Bolivia south to Argentina and Chile. Found on lakes and marshes in open lowlands.
Estado de conservación
Plumed Whistling-duck
Black-headed Duck
How to Tell Them Apart
Plumed Whistling-duck
Pale brown head and neck; chestnut-brown back. Distinctive long, pale golden plumes extend from flanks. Breast pale pink with dark spots. Belly pale. Long pink legs. Upright posture. Sexes similar.
Black-headed Duck
Male has distinctive jet-black head and neck, warm chestnut-brown back, and pale buff underparts; blue-grey bill with red base. Female is streaked brown above with pale supercilium and whitish underparts.
About These Birds
Plumed Whistling-duck
El pato silbador plumudo es un llamativo pato silbador australiano con largas plumas terciarias de color rosado que sobresalen de los flancos y crean un efecto plumado. Es de color ante-rosado con el dorso oscuro. Habita en praderas inundadas, pantanos y márgenes de lagos en el norte y el este de Australia. El macho produce un distintivo silbido durante el cortejo.
Black-headed Duck
El pato cabeza negra es un pequeño pato buceador (~530 g) de América del Sur, familia Anatidae, y el único miembro del género Heteronetta. Tiene la cabeza negra en el macho y cuerpo marrón. Parásita de nido obligada: pone sus huevos en los nidos de otras aves acuáticas, especialmente fochas y pollas de agua. Habita en lagos y lagunas con vegetación emergente de Argentina, Bolivia, Brasil, Chile, Paraguay y Uruguay. No cría su propia cría nunca.