Tufted Duck vs Spotted Whistling-duck
Aythya fuligula comparado com Dendrocygna guttata
Side-by-Side Comparison
| Atributo | Tufted Duck | Spotted Whistling-duck |
|---|---|---|
| Nome científico | Aythya fuligula | Dendrocygna guttata |
| Ordem | Anseriformes | Anseriformes |
| Família | Anatidae | Anatidae |
| Estado de conservação | Least Concern | Least Concern |
| Comprimento | — | — |
| Envergadura | 39,4 cm (15.5 in) | 41,3 cm (16.3 in) |
| Peso | 700,0 g (24.69 oz) | 677,5 g (23.90 oz) |
| Dieta | Dives for molluscs, crustaceans, and aquatic invertebrates; diet dominated by hard-shelled benthic prey in coastal … | Primarily herbivorous; grazes tundra grasses and sedges; winters on coastal marshes and farmland, switching to … |
| Tamanho da postura | 3-22 | 10-11 |
| Population Trend | — | — |
Habitat Comparison
Habitats partilhados
Tufted Duck only
Nenhum
Spotted Whistling-duck only
Tufted Duck
Breeds on freshwater lakes and rivers with emergent vegetation across Eurasia from Iceland and western Europe east to Siberia and Japan. Winters on large open lakes, reservoirs, and sheltered coastal bays.
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
Tufted Duck
Male emits a soft, low wheeze; female gives a grating, repeated quack. A common call on Eurasian freshwater lakes; male's soft purring is quiet while female's quacking is emphatic and …
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
Tufted Duck
Breeds in sub-Arctic and boreal Canada; winters along the Atlantic coast and in the Caribbean. Rare elsewhere in winter.
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
Tufted Duck
Spotted Whistling-duck
How to Tell Them Apart
Tufted Duck
Males black with white flanks; rounded head with long drooping black tuft. Yellow eye. Females dark brown with shorter tuft; pale flanks; sometimes white at base of bill. Bold white …
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
Tufted Duck
O pato-negrinha é um pato mergulhador de tamanho médio comum nas zonas húmidas de água doce do Paleártico. Os machos têm plumagem preta e branca marcante e um topete pendente distintivo. É amplamente distribuído na Europa e Ásia, criando em zonas húmidas de pradaria, floresta e tundra. É um dos patos mergulhadores mais comuns na Europa. Hiberna em zonas costeiras e grandes corpos de água dulcícola em toda a Europa e sul da Ásia.
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.