Barrow's Goldeneye vs Wandering Whistling-duck
Bucephala islandica comparado con Dendrocygna arcuata
Side-by-Side Comparison
| Atributo | Barrow's Goldeneye | Wandering Whistling-duck |
|---|---|---|
| Nombre científico | Bucephala islandica | Dendrocygna arcuata |
| Orden | Anseriformes | Anseriformes |
| Familia | Anatidae | Anatidae |
| Estado de conservación | Least Concern | Least Concern |
| Longitud | — | — |
| Envergadura | 44,3 cm (17.4 in) | 37,2 cm (14.6 in) |
| Peso | 838,0 g (29.56 oz) | 779,5 g (27.50 oz) |
| Dieta | Dives for crustaceans, aquatic insects, and molluscs in mountain lakes and coastal bays. Diet similar … | Eats grasses, sedges, and aquatic plants in tundra; winter diet of coastal salt marsh grasses … |
| Tamaño de la puesta | 6-14 | 6-15 |
| Population Trend | — | — |
Habitat Comparison
Hábitats compartidos
Barrow's Goldeneye only
Wandering Whistling-duck only
Ninguno
Wandering Whistling-duck
Tropical freshwater marshes, flooded grasslands, swamps, and lake margins from the Philippines and Indonesia through Papua New Guinea to northern and eastern Australia. Nomadic following wet season flooding.
Song & Call Comparison
Barrow's Goldeneye
Male produces a whistled, nasal kaow-kaow call; female gives a harsh quacking series. The male's wheezy, double call differs from Common Goldeneye; heard on western North American lakes.
Wandering Whistling-duck
A soft whistle 'whi-whi-whi' in flight. Less vocal than other whistling-ducks; flocks tend to be quieter. Given at dawn and dusk during flight to roosting or feeding areas.
Geographic Range & Migration
Barrow's Goldeneye
Breeds in Iceland, western Canada, and locally the western United States. Winters on coasts and lakes of the Pacific Northwest and eastern Canada.
Wandering Whistling-duck
Breeds in Arctic and subarctic regions; winters at sea around the Antarctic pack ice, one of the longest migrations known.
Estado de conservación
Barrow's Goldeneye
Wandering Whistling-duck
How to Tell Them Apart
Barrow's Goldeneye
Male has iridescent purple-black head with crescent-shaped white facial patch; white body with black scapulars bearing bold white spots. Female grey with brown head, white collar; head rounder than Common …
Wandering Whistling-duck
Rich chestnut-brown head and neck; dark brown back. Flanks rufous with pale buff streaks and dark spots. Belly blackish. Long, dark pinkish legs. Upright posture typical of whistling-ducks. Sexes similar.
About These Birds
Barrow's Goldeneye
El pato islandés o porrón islandés es un pato buceador de América del Norte y el noroeste de Europa, muy similar al pato chillón pero con la cabeza de color más purpúreo en el macho. A diferencia del pato chillón, tiene un parche facial en forma de media luna. Habita en lagos de agua clara alimentados por manantiales y ríos limpios, donde se alimenta principalmente de invertebrados bentónicos.
Wandering Whistling-duck
El pato silbador vagabundo es un pato silbador de distribución amplia en las regiones tropicales de Asia y el Pacífico, desde Borneo e Indonesia hasta Nueva Guinea y Australia. Tiene plumaje castaño con blanco y negro en los flancos. Habita en humedales tropicales, pantanos, lagunas, estanques y arrozales. Es una especie nómada que sigue las lluvias en busca de humedales.