Grey Teal vs Black Swan
Anas gracilis 비교 대상 Cygnus atratus
Side-by-Side Comparison
| 속성 | Grey Teal | Black Swan |
|---|---|---|
| 학명 | Anas gracilis | Cygnus atratus |
| 목 | Anseriformes | Anseriformes |
| 과 | Anatidae | Anatidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | — | 130.0 cm (51.2 in) |
| 날개 폭 | 38.4 cm (15.1 in) | 190.0 cm (74.8 in) |
| 체중 | 504.25 g (17.79 oz) | 6200.0 g (218.70 oz) |
| 식성 | Dives for molluscs, crustaceans, and aquatic invertebrates in shallow coastal and freshwater habitats; diet dominated … | Aquatic vegetation and algae, supplemented with grain and pasture grasses. Feeds by upending in shallow … |
| 산란 수 | 7-8 | 4-6 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Grey Teal
Freshwater and saline wetlands across Australia and New Zealand, including temporary pans, lakes, rivers, and estuaries. Highly nomadic in Australia following unpredictable rainfall. Less nomadic in New Zealand.
Black Swan
Lakes, rivers, swamps, and coastal waters across Australia. Also found in ornamental lakes in parks.
Song & Call Comparison
Grey Teal
Female gives a high, nasal descending quacking series; male produces a soft, piping whistle. The high-pitched quacking call is distinctive; flocks create a musical chattering on Australian wetlands.
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
Grey Teal
Breeds across northern North America in boreal and sub-Arctic zones; winters on both coasts and inland waters of the US.
Black Swan
Australia, primarily in the southeast and southwest. Introduced populations in New Zealand, Japan, and western Europe.
보전 상태
Grey Teal
Black Swan
How to Tell Them Apart
Grey Teal
Pale gray-brown body finely spotted and scaled dark. Head pale gray-buff with fine dark spots. Red eye. White throat. Iridescent green speculum with white front border. Gray bill; gray legs. …
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
Grey Teal
회색 틸은 오스트레일리아와 뉴질랜드에 널리 분포하며, 다양한 습지와 호수에 서식합니다. 깔끔한 회갈색 깃털을 가진 소형 오리로, 수면을 떠다니며 먹이를 찾는 행동이 특징입니다.
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.