Black Swan vs Chiloe Wigeon
Cygnus atratus 비교 대상 Mareca sibilatrix
Side-by-Side Comparison
| 속성 | Black Swan | Chiloe Wigeon |
|---|---|---|
| 학명 | Cygnus atratus | Mareca sibilatrix |
| 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) | 49.0 cm (19.3 in) |
| 체중 | 6200.0 g (218.70 oz) | 922.8333333333334 g (32.55 oz) |
| 식성 | Aquatic vegetation and algae, supplemented with grain and pasture grasses. Feeds by upending in shallow … | Dabbles for seeds and aquatic invertebrates; diet varies between plant matter and invertebrates seasonally in … |
| 산란 수 | 4-6 | 2-13 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Black Swan
Lakes, rivers, swamps, and coastal waters across Australia. Also found in ornamental lakes in parks.
Chiloe Wigeon
Lakes, rivers, freshwater marshes, and coastal lagoons in southern South America from southern Peru and Bolivia south through Chile and Argentina to Tierra del Fuego and the Falkland Islands.
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.
Chiloe Wigeon
Male utters a short, melodious whistle; female gives a low purring note. Pairs and flocks call with clear piping exchanges across South American wetlands and coastal lagoons.
Geographic Range & Migration
Black Swan
Australia, primarily in the southeast and southwest. Introduced populations in New Zealand, Japan, and western Europe.
Chiloe Wigeon
Found across Australia, New Guinea, Indonesia, and the Philippines. Nomadic in drier areas; resident in well-watered regions.
보전 상태
Black Swan
Chiloe Wigeon
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
Chiloe Wigeon
Iridescent dark green head with white forehead blaze. Black and white barred flanks; rufous breast; white belly. White forewing patch. Legs blue-gray. Females similar but duller. South American temperate species.
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.
Chiloe Wigeon
중간 크기의 오리로 체장 46–54cm이며, 수컷은 진한 초록색 머리에 크림색 이마, 갈색 가슴을 갖는다. 남아메리카 남부의 초지 습지와 호수에 서식하며, 풀과 수생식물을 뜯어 먹는다. 관심 필요 종이다.