Black Swan vs Coscoroba Swan
Cygnus atratus 비교 대상 Coscoroba coscoroba
Side-by-Side Comparison
| 속성 | Black Swan | Coscoroba Swan |
|---|---|---|
| 학명 | Cygnus atratus | Coscoroba coscoroba |
| 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) | 84.2 cm (33.1 in) |
| 체중 | 6200.0 g (218.70 oz) | 4200.0 g (148.15 oz) |
| 식성 | Aquatic vegetation and algae, supplemented with grain and pasture grasses. Feeds by upending in shallow … | Eats seeds, aquatic plants, and invertebrates; dabbles and upends in shallow water; diet more invertebrate-heavy … |
| 산란 수 | 4-6 | 4-9 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Black Swan
Lakes, rivers, swamps, and coastal waters across Australia. Also found in ornamental lakes in parks.
Coscoroba Swan
Freshwater lakes, marshes, lagoons, and flooded grasslands from southern Brazil through Uruguay, Chile, and Argentina to Tierra del Fuego. Partially migratory; moves northward in winter. Nests in reedy margins.
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.
Coscoroba Swan
A bugling, honking 'coscoroba' call — giving the species its onomatopoeic name. Loud and far-carrying. Less commonly heard than northern hemisphere swans.
Geographic Range & Migration
Black Swan
Australia, primarily in the southeast and southwest. Introduced populations in New Zealand, Japan, and western Europe.
Coscoroba Swan
Breeds in western North American prairies and parklands; winters in California, the Southwest, and northern Mexico.
보전 상태
Black Swan
Coscoroba Swan
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
Coscoroba Swan
Entirely white plumage except black wingtips visible in flight. Bright red bill and red legs and feet. Red eye-ring. More goose-like than true swans. Juvenile has brownish wash. Sexes similar.
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.
Coscoroba Swan
가장 작은 백조이자 자신의 속에 속하는 유일한 종으로, 완전한 흰 깃털, 분홍빛 붉은 부리, 분홍 다리를 가진 점에서 진정한 백조와 다르다. 남미의 호수, 습지, 습초지에 서식한다.