Red-billed Teal vs Spotted Whistling-duck
Anas erythrorhyncha comparado com Dendrocygna guttata
Side-by-Side Comparison
| Atributo | Red-billed Teal | Spotted Whistling-duck |
|---|---|---|
| Nome científico | Anas erythrorhyncha | Dendrocygna guttata |
| Ordem | Anseriformes | Anseriformes |
| Família | Anatidae | Anatidae |
| Estado de conservação | Least Concern | Least Concern |
| Comprimento | — | — |
| Envergadura | 43,0 cm (16.9 in) | 41,3 cm (16.3 in) |
| Peso | 648,0 g (22.86 oz) | 677,5 g (23.90 oz) |
| Dieta | Dives for molluscs, crustaceans, and small fish in coastal and freshwater habitats; diet shifts with … | Primarily herbivorous; grazes tundra grasses and sedges; winters on coastal marshes and farmland, switching to … |
| Tamanho da postura | 5-13 | 10-11 |
| Population Trend | — | — |
Habitat Comparison
Habitats partilhados
Red-billed Teal only
Nenhum
Spotted Whistling-duck only
Red-billed Teal
Freshwater lakes, marshes, pans, and flooded fields across sub-Saharan Africa from Ethiopia and Sudan south to the Cape. Nomadic; follows seasonal flooding. Very tolerant of saline conditions.
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
Red-billed Teal
Female produces a loud, nasal quacking series; male gives a soft, nasal grunt. Both sexes call with emphatic, honking quacks that carry across African open wetlands and dams.
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
Red-billed Teal
Breeds in northern Eurasia and Arctic Canada; winters on open ocean in the North Atlantic and North Pacific.
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
Red-billed Teal
Spotted Whistling-duck
How to Tell Them Apart
Red-billed Teal
Diagnostic bright pink-red bill with dark ridge contrasting with dark brown cap. Body brown, finely scalloped. White sides of face. Pale buff-white speculum with dark border. Sexes similar. Sub-Saharan Africa.
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
Red-billed Teal
O pato-bico-vermelho é um pato dabbling de tamanho médio encontrado na África subsariana. É facilmente identificado pelo seu bico vermelho brilhante, que contrasta com a sua plumagem castanha mosqueada. Habita zonas húmidas de água doce, incluindo lagos, pântanos, charcas e rios de fluxo lento. É um dos patos mais abundantes e amplamente distribuídos em África, sendo encontrado desde o Senegal até à África do Sul, com movimentos sazonais.
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.