Ruddy-headed Goose vs Wandering Whistling-duck
Chloephaga rubidiceps comparado con Dendrocygna arcuata
Side-by-Side Comparison
| Atributo | Ruddy-headed Goose | Wandering Whistling-duck |
|---|---|---|
| Nombre científico | Chloephaga rubidiceps | Dendrocygna arcuata |
| Orden | Anseriformes | Anseriformes |
| Familia | Anatidae | Anatidae |
| Estado de conservación | Least Concern | Least Concern |
| Longitud | — | — |
| Envergadura | 65,1 cm (25.6 in) | 37,2 cm (14.6 in) |
| Peso | 1756,8333333333333 g (61.97 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 | 3-8 | 6-15 |
| Population Trend | — | — |
Habitat Comparison
Hábitats compartidos
Ninguno
Ruddy-headed Goose only
Wandering Whistling-duck only
Ruddy-headed Goose
Breeds on open tussock grasslands and moorland in Tierra del Fuego and the Falkland Islands. Mainland wintering population on Patagonian grasslands now critically small. Falkland Islands population relatively stable.
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
Ruddy-headed Goose
A high, whistled 'whee' from males and a cackling rattle from females. Calls similar to Ashy-headed Goose. Falkland Islands population; calls in open coastal grassland.
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
Ruddy-headed 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
Ruddy-headed Goose
Wandering Whistling-duck
How to Tell Them Apart
Ruddy-headed Goose
Distinctive rufous-brown head and neck; body barred rufous and black above; underparts buff-white finely barred. Orange-yellow legs. White wing patches in flight. Compact; sexes similar. Falklands and Patagonia.
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
Ruddy-headed Goose
El cauquén colorado es el más pequeño y menos conocido de los cauquenes, en peligro de extinción. Cría en las turberas de Tierra del Fuego y las Islas Malvinas y migra al norte en invierno hasta las pampas de Argentina. Tiene la cabeza y el cuello de color castaño rojizo brillante. Su población ha declinado drásticamente por la depredación por visones introducidos y la caza.
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.