Bufflehead vs Spotted Whistling-duck
Bucephala albeola comparado con Dendrocygna guttata
Side-by-Side Comparison
| Atributo | Bufflehead | Spotted Whistling-duck |
|---|---|---|
| Nombre científico | Bucephala albeola | Dendrocygna guttata |
| Orden | Anseriformes | Anseriformes |
| Familia | Anatidae | Anatidae |
| Estado de conservación | Least Concern | Least Concern |
| Longitud | — | — |
| Envergadura | 32,2 cm (12.7 in) | 41,3 cm (16.3 in) |
| Peso | 400,5 g (14.13 oz) | 677,5 g (23.90 oz) |
| Dieta | Dives for aquatic insects, crustaceans, and small molluscs in freshwater and coastal habitats. One of … | Primarily herbivorous; grazes tundra grasses and sedges; winters on coastal marshes and farmland, switching to … |
| Tamaño de la puesta | 5-14 | 10-11 |
| Population Trend | — | — |
Habitat Comparison
Hábitats compartidos
Bufflehead only
Ninguno
Spotted Whistling-duck only
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
Bufflehead
Male produces a soft, squeaky whistle; female gives a harsh, nasal quack. The male's thin, reedy whistle is barely audible; pairs exchange quiet contact calls at boreal forest ponds.
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
Bufflehead
Breeds in boreal forest of western and central North America. Winters along both coasts and interior lakes from southern Canada south to Mexico.
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
Bufflehead
Spotted Whistling-duck
How to Tell Them Apart
Bufflehead
Male has iridescent green-purple head with a large triangular white patch from behind eye over crown; body clean white except for black back. Female is dark sooty-brown with a single …
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
Bufflehead
El pato bufón o porrón albeola es el pato buceador más pequeño de América del Norte. El macho tiene un llamativo parche blanco en la nuca de la cabeza negro-verde iridiscente. Cría en cavidades de árboles cerca de lagos y estanques boscosos en Norteamérica, siendo uno de los pocos patos que anidan en huecos de árboles. Inverna principalmente en costas marinas.
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.