Blue-winged Goose vs Wandering Whistling-duck
Cyanochen cyanoptera comparado con Dendrocygna arcuata
Side-by-Side Comparison
| Atributo | Blue-winged Goose | Wandering Whistling-duck |
|---|---|---|
| Nombre científico | Cyanochen cyanoptera | Dendrocygna arcuata |
| Orden | Anseriformes | Anseriformes |
| Familia | Anatidae | Anatidae |
| Estado de conservación | Near Threatened | Least Concern |
| Longitud | — | — |
| Envergadura | 65,2 cm (25.7 in) | 37,2 cm (14.6 in) |
| Peso | 1796,25 g (63.36 oz) | 779,5 g (27.50 oz) |
| Dieta | -- | Eats grasses, sedges, and aquatic plants in tundra; winter diet of coastal salt marsh grasses … |
| Tamaño de la puesta | 4-12 | 6-15 |
| Population Trend | — | — |
Habitat Comparison
Hábitats compartidos
Blue-winged Goose only
Wandering Whistling-duck only
Ninguno
Blue-winged Goose
Alpine and subalpine grasslands, riverbanks, and marshy meadows at 2,800–4,200 m on the Ethiopian Highlands. Grazes along stream and river margins. Strongly tied to highland wetlands near cold mountain streams.
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
Blue-winged Goose
A soft, nasal bleating call from Ethiopian highland wetlands. The NT status and restricted Afroalpine range mean vocalizations are poorly documented in systematic detail.
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
Blue-winged Goose
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
Blue-winged Goose
Wandering Whistling-duck
How to Tell Them Apart
Blue-winged Goose
Mostly dull gray-brown; head paler gray. Distinctive pale blue wing patch conspicuous in flight. Underparts slightly paler. Bill and legs pinkish-gray. Sexes similar. Endemic to Ethiopian highlands.
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
Blue-winged Goose
El ganso aliazul etíope es un ganso de color gris-marrón con alas de color azul índigo llamativo visible en vuelo, siendo su rasgo más característico. Endémico de las montañas de Etiopía, habita en lagos de altitud, ríos de montaña y prados alpinos generalmente por encima de los 3.000 metros. Está clasificado como vulnerable, con una pequeña y decreciente población.
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.