Black Swan vs Harlequin Duck
Cygnus atratus 비교 대상 Histrionicus histrionicus
Side-by-Side Comparison
| 속성 | Black Swan | Harlequin Duck |
|---|---|---|
| 학명 | Cygnus atratus | Histrionicus histrionicus |
| 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) | 38.8 cm (15.3 in) |
| 체중 | 6200.0 g (218.70 oz) | 553.0 g (19.51 oz) |
| 식성 | Aquatic vegetation and algae, supplemented with grain and pasture grasses. Feeds by upending in shallow … | Forages in fast-flowing streams for aquatic insect larvae, amphipods, and small fish. Dives and clings … |
| 산란 수 | 4-6 | 3-9 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Black Swan
Lakes, rivers, swamps, and coastal waters across Australia. Also found in ornamental lakes in parks.
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.
Harlequin Duck
Male gives a squeaky, mouse-like squeal; female produces a guttural, grunting call. The male's bizarre, high-pitched squealing call is completely unexpected in such a compact seaduck.
Geographic Range & Migration
Black Swan
Australia, primarily in the southeast and southwest. Introduced populations in New Zealand, Japan, and western Europe.
Harlequin Duck
Breeds on fast-flowing rivers in Iceland, Greenland, and northern North America. Winters along rocky Pacific and Atlantic coasts south to California.
보전 상태
Black Swan
Harlequin Duck
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
Harlequin Duck
Male is slate-blue with bold white crescent before eye, white spots and streaks on head, neck, and scapulars, and rich chestnut flanks. Female is dark sooty-brown with three white facial …
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.
Harlequin Duck
황제오리(Histrionicus histrionicus)는 오리과의 약 550g 소형 바다오리로 수컷은 청청색 바탕에 밤색과 흰색의 복잡한 무늬가 있어 화려하다. 북태평양과 북대서양에 서식한다.