Barnacle Goose vs Spotted Whistling-duck
Branta leucopsis comparado con Dendrocygna guttata
Side-by-Side Comparison
| Atributo | Barnacle Goose | Spotted Whistling-duck |
|---|---|---|
| Nombre científico | Branta leucopsis | Dendrocygna guttata |
| Orden | Anseriformes | Anseriformes |
| Familia | Anatidae | Anatidae |
| Estado de conservación | Least Concern | Least Concern |
| Longitud | — | — |
| Envergadura | 76,4 cm (30.1 in) | 41,3 cm (16.3 in) |
| Peso | 1685,0 g (59.44 oz) | 677,5 g (23.90 oz) |
| Dieta | Large white swan grazing aquatic plants and grasses; upends for submerged vegetation; supplements diet with … | Primarily herbivorous; grazes tundra grasses and sedges; winters on coastal marshes and farmland, switching to … |
| Tamaño de la puesta | 2-9 | 10-11 |
| Population Trend | — | — |
Habitat Comparison
Hábitats compartidos
Barnacle Goose only
Ninguno
Spotted Whistling-duck only
Ninguno
Barnacle Goose
Breeds on inaccessible Arctic cliff ledges in Greenland, Svalbard, and Novaya Zemlya. Winters on coastal saltmarshes, pastures, and estuaries in northwestern Europe, particularly Scotland and Ireland.
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
Barnacle Goose
A rapid, high-pitched barking 'uk-uk-uk' given rapidly in flocks. Higher-pitched and more rapid than Canada Goose. Migrating flocks create a constant excited barking chorus.
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
Barnacle Goose
Breeds in Arctic tundra of Alaska and Canada; winters on the Pacific and Atlantic coasts of the United States and northern Mexico.
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
Barnacle Goose
Spotted Whistling-duck
How to Tell Them Apart
Barnacle Goose
Striking black, white and gray pattern. White face and forehead; black crown, neck, and upper breast. Gray back with black and white barring. White underparts. Black tail. Sexes similar; elegant …
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
Barnacle Goose
El barnacla cariblanca es un ganso mediano de las zonas árticas con el rostro blanco, la corona y el cuello negro brillante y el cuerpo gris barrado. Cría en acantilados de islas árticas de Groenlandia, Svalbard y la isla de Novaya Zemlya, y pasa el invierno en prados costeros del noroeste de Europa. Es una especie de conservación favorable, con poblaciones en expansión.
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.