Red-billed Teal vs Black Swan
Anas erythrorhyncha 비교 대상 Cygnus atratus
Side-by-Side Comparison
| 속성 | Red-billed Teal | Black Swan |
|---|---|---|
| 학명 | Anas erythrorhyncha | Cygnus atratus |
| 목 | Anseriformes | Anseriformes |
| 과 | Anatidae | Anatidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | — | 130.0 cm (51.2 in) |
| 날개 폭 | 43.0 cm (16.9 in) | 190.0 cm (74.8 in) |
| 체중 | 648.0 g (22.86 oz) | 6200.0 g (218.70 oz) |
| 식성 | Dives for molluscs, crustaceans, and small fish in coastal and freshwater habitats; diet shifts with … | Aquatic vegetation and algae, supplemented with grain and pasture grasses. Feeds by upending in shallow … |
| 산란 수 | 5-13 | 4-6 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Red-billed Teal
Freshwater lakes, marshes, pans, and flooded fields across sub-Saharan Africa from Ethiopia and Sudan south to the Cape. Nomadic; follows seasonal flooding. Very tolerant of saline conditions.
Black Swan
Lakes, rivers, swamps, and coastal waters across Australia. Also found in ornamental lakes in parks.
Song & Call Comparison
Red-billed Teal
Female produces a loud, nasal quacking series; male gives a soft, nasal grunt. Both sexes call with emphatic, honking quacks that carry across African open wetlands and dams.
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.
Geographic Range & Migration
Red-billed Teal
Breeds in northern Eurasia and Arctic Canada; winters on open ocean in the North Atlantic and North Pacific.
Black Swan
Australia, primarily in the southeast and southwest. Introduced populations in New Zealand, Japan, and western Europe.
보전 상태
Red-billed Teal
Black Swan
How to Tell Them Apart
Red-billed Teal
Diagnostic bright pink-red bill with dark ridge contrasting with dark brown cap. Body brown, finely scalloped. White sides of face. Pale buff-white speculum with dark border. Sexes similar. Sub-Saharan Africa.
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
About These Birds
Red-billed Teal
붉은부리 오리는 사하라 이남 아프리카 전역에 분포하며, 얕은 호수와 습지를 선호합니다. 이름에서 알 수 있듯이 밝은 붉은색 부리가 특징이며, 갈색 반점이 있는 몸통과 대비를 이룹니다.
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.