Madagascar Teal vs Spotted Whistling-duck
Anas bernieri comparado com Dendrocygna guttata
Side-by-Side Comparison
| Atributo | Madagascar Teal | Spotted Whistling-duck |
|---|---|---|
| Nome científico | Anas bernieri | Dendrocygna guttata |
| Ordem | Anseriformes | Anseriformes |
| Família | Anatidae | Anatidae |
| Estado de conservação | Endangered | Least Concern |
| Comprimento | — | — |
| Envergadura | 38,9 cm (15.3 in) | 41,3 cm (16.3 in) |
| Peso | 365,0 g (12.88 oz) | 677,5 g (23.90 oz) |
| Dieta | Dives for molluscs, crustaceans, and aquatic invertebrates; diet dominated by hard-shelled benthic invertebrates year-round. | Primarily herbivorous; grazes tundra grasses and sedges; winters on coastal marshes and farmland, switching to … |
| Tamanho da postura | 2-10 | 10-11 |
| Population Trend | — | — |
Habitat Comparison
Habitats partilhados
Madagascar Teal only
Spotted Whistling-duck only
Madagascar Teal
Mangroves, coastal lagoons, freshwater lakes, and rivers of western Madagascar. Endangered; restricted to small fragmented wetland areas. Nests in mangrove cavities or tree holes near water.
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
Madagascar Teal
Female gives a nasal, quacking series; male utters a soft whistle. Extremely rare; calls resemble Grey Teal but slightly softer; heard only in restricted Malagasy freshwater habitat.
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
Madagascar Teal
Breeds across northern and central North America; winters in the southern United States, Mexico, and Caribbean.
Spotted Whistling-duck
Ranges widely across sub-Saharan Africa in open woodland and savanna. Largely sedentary with local seasonal movements to water.
Estado de conservação
Madagascar Teal
Spotted Whistling-duck
How to Tell Them Apart
Madagascar Teal
Plain warm brown plumage with faint spotting; head slightly paler buff-brown. Orange-pink bill. Dull reddish-brown speculum. Orange legs. Sexes similar. Endangered Madagascar endemic; mangrove and coastal wetland specialist.
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
Madagascar Teal
Um pato muito raro da família Anatidae, endêmico de Madagascar. O Pato-de-madagascar (Anas bernieri) habita manguezais, lagoas costeiras e estuários ao longo da costa oeste de Madagascar. Mede aproximadamente 43-46 cm. Caracterizado pela plumagem castanho-avermelhada manchada. É um dos patos mais raros e ameaçados do mundo. Alimenta-se de invertebrados aquáticos e material vegetal. Classificado como Em Perigo pela UICN, com população estimada em menos de 2.500 indivíduos.
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.