Spotted Whistling-duck vs Andean Duck
Dendrocygna guttata comparado com Oxyura ferruginea
Side-by-Side Comparison
| Atributo | Spotted Whistling-duck | Andean Duck |
|---|---|---|
| Nome científico | Dendrocygna guttata | Oxyura ferruginea |
| Ordem | Anseriformes | Anseriformes |
| Família | Anatidae | Anatidae |
| Estado de conservação | Least Concern | Least Concern |
| Comprimento | — | — |
| Envergadura | 41,3 cm (16.3 in) | 31,4 cm (12.4 in) |
| Peso | 677,5 g (23.90 oz) | 800,75 g (28.25 oz) |
| Dieta | Primarily herbivorous; grazes tundra grasses and sedges; winters on coastal marshes and farmland, switching to … | Dives for aquatic invertebrates and plant seeds in Andean lakes and marshes. Diet similar to … |
| Tamanho da postura | 10-11 | 6-10 |
| Population Trend | — | — |
Habitat Comparison
Habitats partilhados
Spotted Whistling-duck only
Andean Duck only
Nenhum
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
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.
Andean Duck
Male gives a rapid, staccato drumming display call; female produces a nasal, quacking rattle. The male's mechanical drumming is similar to Ruddy Duck; echoes across Andean high-altitude lakes.
Geographic Range & Migration
Spotted Whistling-duck
Ranges widely across sub-Saharan Africa in open woodland and savanna. Largely sedentary with local seasonal movements to water.
Andean Duck
Resident in the Andes of Colombia, Ecuador, Peru, Bolivia, and northwestern Argentina. Found on high-altitude lakes above 3,000 m.
Estado de conservação
Spotted Whistling-duck
Andean Duck
How to Tell Them Apart
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.
Andean Duck
Male is dark chestnut-rufous overall with black head, white cheeks tinged grey, and deep blue bill. Female is dark brownish with pale cheeks divided by a dark bar; similar to …
About These Birds
Spotted Whistling-duck
O parreco-pintalgado é um pato assobiadeiro grande encontrado nas Filipinas, Indonésia e Papua Nova Guiné. Distingue-se pelos seus flancos e cobertura da cauda largamente com pintas brancas num fundo escuro. Tem pescoço escuro, coroa castanha e bico e pernas cinzentos. Habita zonas húmidas tropicais de baixa altitude, lagos e arrozais. Tem uma distribuição fragmentada e é classificado como quase ameaçado em algumas regiões.
Andean Duck
A stocky stiff-tailed duck (~800 g) of family Anatidae inhabiting high-altitude Andean lakes and wetlands from Colombia to Argentina. Males are rich chestnut with a blue bill during the breeding season. Dives for aquatic plants and invertebrates in cold Andean waters. Least Concern; formerly considered conspecific with Ruddy Duck but now recognized as a distinct species.