Red-breasted Goose vs Spotted Whistling-duck
Branta ruficollis comparado com Dendrocygna guttata
Side-by-Side Comparison
| Atributo | Red-breasted Goose | Spotted Whistling-duck |
|---|---|---|
| Nome científico | Branta ruficollis | Dendrocygna guttata |
| Ordem | Anseriformes | Anseriformes |
| Família | Anatidae | Anatidae |
| Estado de conservação | Vulnerable | Least Concern |
| Comprimento | — | — |
| Envergadura | 69,1 cm (27.2 in) | 41,3 cm (16.3 in) |
| Peso | 1253,25 g (44.21 oz) | 677,5 g (23.90 oz) |
| Dieta | Grazes grasses, seeds, and aquatic plants; introduced to many wetlands; upends in shallow water for … | Primarily herbivorous; grazes tundra grasses and sedges; winters on coastal marshes and farmland, switching to … |
| Tamanho da postura | 3-10 | 10-11 |
| Population Trend | — | — |
Habitat Comparison
Habitats partilhados
Red-breasted Goose only
Nenhum
Spotted Whistling-duck only
Red-breasted Goose
Breeds on river-terrace tundra in northwestern Siberia, often near Peregrine or Rough-legged Buzzard nests for protection. Winters on agricultural steppes and lake margins around the Black Sea and Caspian Sea.
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-breasted Goose
A high-pitched, rapid 'kik-kik-kik' call. More vocal during migration; flocks give constant chattering. Considered a more squeaky, high-pitched call than other Branta geese.
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-breasted Goose
Breeds in Arctic and subarctic tundra in North America; winters along both US coasts and interior wetlands south to Central America.
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-breasted Goose
Spotted Whistling-duck
How to Tell Them Apart
Red-breasted Goose
Unmistakable; vivid chestnut-red patch on face and breast bordered by white stripes. Black crown, back, wings, and belly. White flank stripe and undertail. Compact and striking. Sexes similar.
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-breasted Goose
O ganso-de-pescoço-vermelho é um ganso pequeno e marcante com padrão de coloração elaborado de castanho-avermelhado, branco e preto. Cria em tundra siberiana ártica, muitas vezes aninhando perto de falcões e corujas-das-neves para proteção. Hiberna principalmente nas costas do Mar Negro, Mar Cáspio e no nordeste de África. A espécie é classificada como ameaçada, com declínios acentuados da população nos últimos anos devido a alterações no uso da terra nos seus locais de hibernada.
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.