Trumpeter Swan vs Wandering Whistling-duck
Cygnus buccinator comparado con Dendrocygna arcuata
Side-by-Side Comparison
| Atributo | Trumpeter Swan | Wandering Whistling-duck |
|---|---|---|
| Nombre científico | Cygnus buccinator | Dendrocygna arcuata |
| Orden | Anseriformes | Anseriformes |
| Familia | Anatidae | Anatidae |
| Estado de conservación | Least Concern | Least Concern |
| Longitud | — | — |
| Envergadura | 125,1 cm (49.3 in) | 37,2 cm (14.6 in) |
| Peso | 9975,0 g (351.86 oz) | 779,5 g (27.50 oz) |
| Dieta | Dabbles for seeds, invertebrates, and aquatic plants in shallow water; diet shifts between plant-rich and … | Eats grasses, sedges, and aquatic plants in tundra; winter diet of coastal salt marsh grasses … |
| Tamaño de la puesta | 1-9 | 6-15 |
| Population Trend | — | — |
Habitat Comparison
Trumpeter Swan
Large deep-water lakes, slow rivers, and wetland complexes in western and interior North America from Alaska and Canada south to Oregon. Winters on ice-free rivers and coastal estuaries.
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
Trumpeter Swan
A deep, resonant, French-horn-like bugling 'oh-OH-oh'. The most musical of North American swans. Pairs sing in duet. Very different from the thin whistle of smaller swans.
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
Trumpeter Swan
Breeds in Alaska and northern Canada; winters along the Pacific and Atlantic coasts from the southern United States to Mexico.
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
Trumpeter Swan
Wandering Whistling-duck
How to Tell Them Apart
Trumpeter Swan
Entirely snow-white plumage in adults. All-black bill lacking yellow patch. Large size; heaviest North American bird. Neck held straight. Juveniles gray-brown, becoming white by second year. Sexes similar.
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
Trumpeter Swan
El cisne trompetero es el ave más pesada nativa de América del Norte y el cisne más grande del mundo. Se reconoce por el completamente negro pico y el cuello muy largo. Cría en humedales del oeste de Canadá y el noroeste de Estados Unidos. Fue cazado casi hasta la extinción para usar sus plumas en la confección de plumas de escribir y su carne como alimento, pero se ha recuperado gracias a la protección.
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.