West Indian Whistling-duck vs Spotted Whistling-duck
Dendrocygna arborea dibandingkan dengan Dendrocygna guttata
Side-by-Side Comparison
| Atribut | West Indian Whistling-duck | Spotted Whistling-duck |
|---|---|---|
| Nama Ilmiah | Dendrocygna arborea | Dendrocygna guttata |
| Ordo | Anseriformes | Anseriformes |
| Famili | Anatidae | Anatidae |
| Status Konservasi | Near Threatened | Least Concern |
| Panjang | — | — |
| Rentang Sayap | 51,3 cm (20.2 in) | 41,3 cm (16.3 in) |
| Berat | 1030,0 g (36.33 oz) | 677,5 g (23.90 oz) |
| Diet | Eats grasses, sedges, and grains; migratory goose foraging in Arctic tundra in summer; overwinters on … | Primarily herbivorous; grazes tundra grasses and sedges; winters on coastal marshes and farmland, switching to … |
| Ukuran Sarang | 4-16 | 10-11 |
| Population Trend | — | — |
Habitat Comparison
Habitat Bersama
West Indian Whistling-duck only
Spotted Whistling-duck only
West Indian Whistling-duck
Freshwater lakes, mangrove swamps, palm savannas, and forested wetlands in the Greater and Lesser Antilles. Nests in palm crowns and hollow trees. Highly dependent on Caribbean wet forests and freshwater lagoons.
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
West Indian Whistling-duck
A loud, 3-syllable whistle 'whee-whee-whee'. The NT conservation status reflects population pressures. Less commonly heard than its more abundant whistling-duck relatives.
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
West Indian Whistling-duck
Found in grassy wetlands and floodplains of Madagascar. Non-migratory and endemic to the island's eastern marshes.
Spotted Whistling-duck
Ranges widely across sub-Saharan Africa in open woodland and savanna. Largely sedentary with local seasonal movements to water.
Status Konservasi
West Indian Whistling-duck
Spotted Whistling-duck
How to Tell Them Apart
West Indian Whistling-duck
Dark brown upperparts; head and neck dark with pale sides. Flanks black with bold white spots. Breast dark brown; belly blackish with white flank streaks. Long dark legs. Largest Dendrocygna. …
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
West Indian Whistling-duck
A large dark whistling-duck with brown and black plumage, a pale face, and chestnut underparts with dark streaks. Endemic to the Caribbean. The largest native duck in the West Indies; listed as Vulnerable due to hunting and habitat loss. Roosts communally in palms and forest trees.
Spotted Whistling-duck
A small dark brown whistling-duck with bold white spots on its flanks, orange-red bill and legs, and a pale face. Found in tropical wetlands of New Guinea, the Philippines, and Indonesia. Often found near freshwater streams and flooded grassland. Less gregarious than other whistling-ducks.