Black Swan vs Salvadori's Teal
Cygnus atratus 비교 대상 Salvadorina waigiuensis
Side-by-Side Comparison
| 속성 | Black Swan | Salvadori's Teal |
|---|---|---|
| 학명 | Cygnus atratus | Salvadorina waigiuensis |
| 목 | Anseriformes | Anseriformes |
| 과 | Anatidae | Anatidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | 130.0 cm (51.2 in) | — |
| 날개 폭 | 190.0 cm (74.8 in) | 37.2 cm (14.6 in) |
| 체중 | 6200.0 g (218.70 oz) | 345.6666666666667 g (12.19 oz) |
| 식성 | Aquatic vegetation and algae, supplemented with grain and pasture grasses. Feeds by upending in shallow … | Dabbles for seeds and aquatic invertebrates in shallow wetlands; diet broadly omnivorous; invertebrate intake peaks … |
| 산란 수 | 4-6 | 3-4 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Black Swan
Lakes, rivers, swamps, and coastal waters across Australia. Also found in ornamental lakes in parks.
Salvadori's Teal
Fast-flowing clear mountain streams and rivers at 1,000–3,900 m on New Guinea. Requires clean turbulent water with abundant aquatic invertebrates. Avoids lowland and polluted rivers.
Song & Call Comparison
Black Swan
Gives a musical bugling 'boo-boo-boo' in flight and softer honking on water. Less vocal than Mute Swan; produces a baying call when alarmed. Wings whistle softly in flight.
Salvadori's Teal
A soft, piping whistle from New Guinea mountain streams. Relatively poorly known; call is a gentle, reedy note. Behavior and vocalizations remain incompletely documented.
Geographic Range & Migration
Black Swan
Australia, primarily in the southeast and southwest. Introduced populations in New Zealand, Japan, and western Europe.
Salvadori's Teal
Breeds across northern Eurasia; winters in tropical Africa, South Asia, and Southeast Asia. Broad Palearctic–Oriental migration.
보전 상태
Black Swan
Salvadori's Teal
How to Tell Them Apart
Black Swan
Almost entirely black with white flight feathers visible in flight. Red bill with a white band near the tip. Dark red to reddish-brown iris.
Bright red bill with a pale tip and prominent white band
Salvadori's Teal
Dark brown plumage with fine pale spotting and barring throughout. Head dark brown; underparts barred brown and buff. Yellow bill with dark tip. Legs and feet yellow. Unique highland New …
About These Birds
Black Swan
검은 백조는 한때 모든 백조가 흰색이라고 믿었던 유럽인들에게 불가능하다고 여겨졌으며, 귀납적 추론 실패의 유명한 철학적 예가 됩니다. 서부 오스트레일리아의 주 새입니다. 검은 백조는 평생 짝 유대를 형성하며 양 부모가 포란과 새끼 양육을 공유합니다.
Salvadori's Teal
A small brown torrent-adapted duck with a yellow bill, spotted body, and barred flanks. Endemic to New Guinea's mountain rivers. Often compared to New Zealand's Blue Duck in ecological niche. Inhabits fast-flowing alpine streams. Poorly studied; listed as Vulnerable.