Black Swan vs Australasian Shoveler
Cygnus atratus 비교 대상 Spatula rhynchotis
Side-by-Side Comparison
| 속성 | Black Swan | Australasian Shoveler |
|---|---|---|
| 학명 | Cygnus atratus | Spatula rhynchotis |
| 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) | 44.8 cm (17.6 in) |
| 체중 | 6200.0 g (218.70 oz) | 678.0 g (23.92 oz) |
| 식성 | Aquatic vegetation and algae, supplemented with grain and pasture grasses. Feeds by upending in shallow … | Feeds on aquatic invertebrates, seeds, and plant material; dabbles in shallow freshwater; diet seasonally variable. |
| 산란 수 | 4-6 | 5-13 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Black Swan
Lakes, rivers, swamps, and coastal waters across Australia. Also found in ornamental lakes in parks.
Australasian Shoveler
Freshwater and brackish wetlands, lakes, and marshes across southern and eastern Australia and New Zealand. Nomadic in Australia; follows seasonal flooding. Often on permanent lakes and coastal lagoons.
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.
Australasian Shoveler
Male emits a soft, muffled tok; female gives a series of rapid, descending quacks. The female's characteristic quacking laugh is similar to the Northern Shoveler but slightly lower pitched.
Geographic Range & Migration
Black Swan
Australia, primarily in the southeast and southwest. Introduced populations in New Zealand, Japan, and western Europe.
Australasian Shoveler
Breeds in central Asia; winters mainly in South and Southeast Asia, with some birds reaching eastern Africa.
보전 상태
Black Swan
Australasian Shoveler
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
Australasian Shoveler
Males have slate-blue head with white crescent before eye; rich rufous-brown below with white breast spot. Blue forewing and green speculum. Females mottled brown. Long spatulate bill bluish-gray. Dimorphic.
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.
Australasian Shoveler
A medium-sized shoveler with the distinctive large bill. Males are brownish with blue-grey wing patches and white facial crescent; females are mottled brown. Found in Australia and New Zealand. Nomadic within Australia; follows seasonal inland flooding.