Blue-billed Duck vs Blue-billed Teal
Oxyura australis comparado con Spatula hottentota
Side-by-Side Comparison
| Atributo | Blue-billed Duck | Blue-billed Teal |
|---|---|---|
| Nombre científico | Oxyura australis | Spatula hottentota |
| Orden | Anseriformes | Anseriformes |
| Familia | Anatidae | Anatidae |
| Estado de conservación | Least Concern | Least Concern |
| Longitud | — | — |
| Envergadura | 30,8 cm (12.1 in) | 29,4 cm (11.6 in) |
| Peso | 837,75 g (29.55 oz) | 269,2 g (9.50 oz) |
| Dieta | Dives for aquatic invertebrates, seeds, and plant material in Australian freshwater lakes and swamps. Highly … | Feeds on seeds, aquatic plants, and invertebrates; filter-feeds in shallow water; broadly omnivorous and seasonally … |
| Tamaño de la puesta | 5-6 | 5-12 |
| Population Trend | — | — |
Habitat Comparison
Blue-billed Teal
Freshwater lakes, marshes, pans, and flooded grasslands across sub-Saharan Africa from Senegal and Sudan south to the Cape. Nomadic; follows seasonal rains. Common but easily overlooked among reed beds.
Song & Call Comparison
Blue-billed Duck
Male produces a mechanical, splashing display call with loud bill-drumming; female gives a harsh quack. The male's bizarre bubbling-cum-drumming display is spectacular on Australian lakes.
Blue-billed Teal
Male utters a soft, teal-like peep; female gives a muted quack. Pairs call quietly in dense papyrus; soft contact calls help birds maintain proximity in thick African marsh vegetation.
Geographic Range & Migration
Blue-billed Duck
Resident in southwestern and southeastern Australia. Found on freshwater swamps and lakes, avoiding arid and tropical regions.
Blue-billed Teal
Breeds in Arctic and subarctic Eurasia; winters at sea in the North Atlantic and from western Europe to eastern Africa.
Estado de conservación
Blue-billed Duck
Blue-billed Teal
How to Tell Them Apart
Blue-billed Duck
Breeding male is deep rich chestnut with black head and broad bright blue bill; tail often held erect. Female is dark brown with finely barred buff pattern on body and …
Blue-billed Teal
Small; males have pale blue-gray bill contrasting with brown-gray body. Head finely spotted; underparts barred brown and white. Males show powder-blue forewing in flight. Females browner. African marsh species.
About These Birds
Blue-billed Duck
El pato de cola azul australiano es un pato de cola tiesa endémico de Australia y Tasmania. El macho tiene el pico azul brillante, la cabeza negra y el cuerpo castaño rojizo. La hembra es de color marrón oscuro. Habita en pantanos de agua dulce profunda con vegetación emergente densa. Está clasificado como vulnerable, afectado por la pérdida de humedales.
Blue-billed Teal
A small dark teal with blue-grey bill and legs, brown-streaked plumage, and fine pale spotting on the flanks. The most widespread teal in sub-Saharan Africa. Found on freshwater lakes and marshes. Highly nomadic; follows seasonal rainfall. Swims low in the water like a pochard.