Long-tailed Duck vs Spotted Whistling-duck
Clangula hyemalis comparado con Dendrocygna guttata
Side-by-Side Comparison
| Atributo | Long-tailed Duck | Spotted Whistling-duck |
|---|---|---|
| Nombre científico | Clangula hyemalis | Dendrocygna guttata |
| Orden | Anseriformes | Anseriformes |
| Familia | Anatidae | Anatidae |
| Estado de conservación | Vulnerable | Least Concern |
| Longitud | — | — |
| Envergadura | 43,1 cm (17.0 in) | 41,3 cm (16.3 in) |
| Peso | 782,0 g (27.58 oz) | 677,5 g (23.90 oz) |
| Dieta | Dives deeply for crustaceans, molluscs, and small fish in Arctic and subarctic seas. Freshwater invertebrates … | Primarily herbivorous; grazes tundra grasses and sedges; winters on coastal marshes and farmland, switching to … |
| Tamaño de la puesta | 2-11 | 10-11 |
| Population Trend | — | — |
Habitat Comparison
Hábitats compartidos
Long-tailed Duck 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
Long-tailed Duck
Male sings a musical, yodeling ow-owlet-aaaalett sequence; female gives a low, grunting quack. The male's loud, harmonious yodeling is arguably the most musical call among all waterfowl species.
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
Long-tailed Duck
Circumpolar High Arctic breeder. Winters at sea on coasts of northwestern Europe, northeastern North America, and the Bering Sea region.
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
Long-tailed Duck
Spotted Whistling-duck
How to Tell Them Apart
Long-tailed Duck
Male in winter is mostly white with dark brown chest band, scapulars, and cheek patch; elongated central tail feathers extend well beyond body. Female is brownish with white face, dark …
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
Long-tailed Duck
El pato havelda es un pato marino ártico reconocible por la larga y estrecha cola del macho y su llamativo plumaje blanco y negro. Cría en la tundra ártica y en las costas del norte, invernando en grandes masas de agua en mares abiertos. Es notable por bucear a mayor profundidad que cualquier otro pato, registrándose inmersiones de hasta 60 metros.
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.