Cape Barren Goose vs Spotted Whistling-duck
Cereopsis novaehollandiae comparado con Dendrocygna guttata
Side-by-Side Comparison
| Atributo | Cape Barren Goose | Spotted Whistling-duck |
|---|---|---|
| Nombre científico | Cereopsis novaehollandiae | Dendrocygna guttata |
| Orden | Anseriformes | Anseriformes |
| Familia | Anatidae | Anatidae |
| Estado de conservación | Least Concern | Least Concern |
| Longitud | — | — |
| Envergadura | 94,2 cm (37.1 in) | 41,3 cm (16.3 in) |
| Peso | 3816,6666666666665 g (134.63 oz) | 677,5 g (23.90 oz) |
| Dieta | Grazes aquatic vegetation and submerged plants; largest Southern Hemisphere swan; winters on estuaries eating eelgrass … | Primarily herbivorous; grazes tundra grasses and sedges; winters on coastal marshes and farmland, switching to … |
| Tamaño de la puesta | 3-6 | 10-11 |
| Population Trend | — | — |
Habitat Comparison
Hábitats compartidos
Cape Barren Goose only
Ninguno
Spotted Whistling-duck only
Ninguno
Cape Barren Goose
Open grasslands, heathlands, and low scrub on offshore islands and coastal mainland of southern Australia. Grazes in open areas. Nests on the ground. Largely sedentary with some mainland movements in winter.
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
Cape Barren Goose
A loud, grunting 'honk-honk' from both sexes. The Cape Barren Goose gives pig-like grunting and cackling sounds. Not musical; its calls are distinctive but harsh.
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
Cape Barren Goose
Breeds in northern North America; winters in the Great Basin, Great Plains, and coastal areas of the contiguous United States.
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
Cape Barren Goose
Spotted Whistling-duck
How to Tell Them Apart
Cape Barren Goose
Pale ash-gray plumage with small dark spots on wing coverts. Head whitish-gray. Bill short with prominent lime-green cere. Legs and feet pinkish-red. Sexes similar; one of few native Australian geese.
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
Cape Barren Goose
El ganso de Nueva Holanda o pato ceniciento es un ganso endémico de Australia con plumaje gris con manchas negras en las alas y el dorso. Es inusual entre los gansos por tener el pico pequeño y amarillo verdoso con la punta negra. Habita en islas y costas del sur de Australia, donde pasta hierba en grupos. Tiene una larga esperanza de vida para un ave de su tamaño.
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.