Musk Duck vs Black-headed Duck
Biziura lobata comparado con Heteronetta atricapilla
Side-by-Side Comparison
| Atributo | Musk Duck | Black-headed Duck |
|---|---|---|
| Nombre científico | Biziura lobata | Heteronetta atricapilla |
| Orden | Anseriformes | Anseriformes |
| Familia | Anatidae | Anatidae |
| Estado de conservación | Least Concern | Least Concern |
| Longitud | — | — |
| Envergadura | 42,3 cm (16.7 in) | 34,7 cm (13.7 in) |
| Peso | 1930,75 g (68.11 oz) | 528,5 g (18.64 oz) |
| Dieta | Dives for aquatic invertebrates, small fish, and plant material in Australian freshwater lakes. Highly aquatic; … | Parasitic; adults may feed on aquatic plants, seeds, and invertebrates in South American marshes. Diet … |
| Tamaño de la puesta | 2-3 | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Musk Duck
Male produces a loud, explosive plonk call followed by bill-drumming on the water surface; female gives a harsh quack. The male's bizarre splashing display is unique and unmistakable among Australian …
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
Musk Duck
Endemic to southern Australia, including southeastern and southwestern regions. Found on wetlands with lignum and reeds.
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
Musk Duck
Black-headed Duck
How to Tell Them Apart
Musk Duck
Both sexes are uniformly dark sooty-brown, densely barred and vermiculated with black; male has distinctive pendulous black lobe hanging below bill. Females and immatures are smaller and lack the lobe.
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
Musk Duck
El pato buchón australiano es un gran y singular pato de cola tiesa endémico de Australia. El macho tiene un lóbulo de piel negra colgante debajo del pico que se agranda durante la estación reproductora, siendo único entre los patos. Es un buceador experto que se alimenta de invertebrados acuáticos. Los machos realizan demostraciones de cortejo elaboradas con salpicaduras y sonidos.
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.