Spotted Whistling-duck vs Green Pygmy-goose
Dendrocygna guttata comparado com Nettapus pulchellus
Side-by-Side Comparison
| Atributo | Spotted Whistling-duck | Green Pygmy-goose |
|---|---|---|
| Nome científico | Dendrocygna guttata | Nettapus pulchellus |
| Ordem | Anseriformes | Anseriformes |
| Família | Anatidae | Anatidae |
| Estado de conservação | Least Concern | Least Concern |
| Comprimento | — | — |
| Envergadura | 41,3 cm (16.3 in) | 33,8 cm (13.3 in) |
| Peso | 677,5 g (23.90 oz) | 328,75 g (11.60 oz) |
| Dieta | Primarily herbivorous; grazes tundra grasses and sedges; winters on coastal marshes and farmland, switching to … | Eats seeds, aquatic plants, and invertebrates; dabbles in shallow fresh water; diet varies between seasons … |
| Tamanho da postura | 10-11 | 8-12 |
| Population Trend | — | — |
Habitat Comparison
Habitats partilhados
Spotted Whistling-duck only
Green Pygmy-goose 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.
Green Pygmy-goose
Lily-covered tropical freshwater billabongs, lagoons, and seasonal floodplains in New Guinea and the tropical Top End of the Northern Territory and Queensland, Australia. Highly dependent on aquatic vegetation.
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.
Green Pygmy-goose
Male gives a high-pitched, melodic two-note whistle; female produces a quiet, nasal grunt. Courtship includes rapid chattering exchanges between paired birds on tropical lagoons.
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.
Green Pygmy-goose
Breeds across northern and central Eurasia; winters in tropical Africa and South Asia.
Estado de conservação
Spotted Whistling-duck
Green Pygmy-goose
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.
Green Pygmy-goose
Males have dark green head and neck with white cheek patch; dark back; white underparts; flanks gray-green with fine barring. Females duller with brown cap and white face. White wing …
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.
Green Pygmy-goose
O pato-pigmeu-verde-anão é um pequeno pato encontrado na Nova Guiné, ilhas adjacentes e norte da Austrália. Os machos têm dorso verde-escuro iridescente marcante com colar branco e ventre branco. Habita zonas húmidas tropicais, especialmente lagoas e lagos com vegetação aquática flutuante abundante como lírios de água. É o menor pato da Austrália. Nidifica em ocos de árvore. Tem uma distribuição mais restrita do que o pato-pigmeu-do-algodão relacionado.