Spotted Whistling-duck vs Cotton Pygmy-goose
Dendrocygna guttata comparado com Nettapus coromandelianus
Side-by-Side Comparison
| Atributo | Spotted Whistling-duck | Cotton Pygmy-goose |
|---|---|---|
| Nome científico | Dendrocygna guttata | Nettapus coromandelianus |
| Ordem | Anseriformes | Anseriformes |
| Família | Anatidae | Anatidae |
| Estado de conservação | Least Concern | Least Concern |
| Comprimento | — | — |
| Envergadura | 41,3 cm (16.3 in) | 31,7 cm (12.5 in) |
| Peso | 677,5 g (23.90 oz) | 343,5 g (12.12 oz) |
| Dieta | Primarily herbivorous; grazes tundra grasses and sedges; winters on coastal marshes and farmland, switching to … | Feeds on aquatic invertebrates, seeds, and plant material; dabbles in shallow water; invertebrate diet peaks … |
| Tamanho da postura | 10-11 | 6-18 |
| Population Trend | — | — |
Habitat Comparison
Habitats partilhados
Spotted Whistling-duck only
Cotton 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.
Cotton Pygmy-goose
Freshwater lakes, ponds, slow rivers, and rice paddies with aquatic vegetation from India east through Southeast Asia, China, and New Guinea to northern and eastern Australia. Nests in tree holes near water.
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.
Cotton Pygmy-goose
Male emits a rapid, clucking chatter resembling a toy rattle; female responds with soft, muffled quacks. In flight both sexes produce a distinctive whistling wing-beat.
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.
Cotton Pygmy-goose
Breeds in northern Eurasia; winters in the tropics of Africa and Asia. Migratory; routes cross through the Middle East.
Estado de conservação
Spotted Whistling-duck
Cotton 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.
Cotton Pygmy-goose
Males white below and white-faced with dark green crown and collar; black back with iridescent green gloss; white wing bar conspicuous in flight. Females brown-gray with pale supercilium. Tiny; perches …
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.
Cotton Pygmy-goose
O pato-pigmeu-do-algodão é um pequeno pato encontrado no subcontinente indiano, sudeste da Ásia e Austrália. Os machos têm a plumagem mais branca do que a maioria dos patos com barras escuras no peito e dorso esverdeado brilhante. Habita lagos, tanques e zonas húmidas de água doce com vegetação flutuante como lírios de água. Nidifica frequentemente em ocos de árvore. É o menor pato australiano. Pode ser encontrado em zonas húmidas urbanas e campos de arroz inundados.