Egyptian Goose vs Black Swan
Alopochen aegyptiaca 비교 대상 Cygnus atratus
Side-by-Side Comparison
| 속성 | Egyptian Goose | Black Swan |
|---|---|---|
| 학명 | Alopochen aegyptiaca | Cygnus atratus |
| 목 | Anseriformes | Anseriformes |
| 과 | Anatidae | Anatidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | — | 130.0 cm (51.2 in) |
| 날개 폭 | 71.2 cm (28.0 in) | 190.0 cm (74.8 in) |
| 체중 | 2021.3333333333333 g (71.30 oz) | 6200.0 g (218.70 oz) |
| 식성 | Feeds on seeds, grasses, and invertebrates; forages on land and water; diet shifts between terrestrial … | Aquatic vegetation and algae, supplemented with grain and pasture grasses. Feeds by upending in shallow … |
| 산란 수 | 5-14 | 4-6 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Egyptian Goose
Native to sub-Saharan Africa and the Nile Valley; also introduced in western Europe. Freshwater margins, agricultural fields, parks, and golf courses. Highly adaptable; common near human habitation.
Black Swan
Lakes, rivers, swamps, and coastal waters across Australia. Also found in ornamental lakes in parks.
Song & Call Comparison
Egyptian Goose
A harsh, honking 'haw-haw' from males; females give a reedy, nasal 'kink-kink'. Very vocal and aggressive; pairs call repeatedly near nest sites in African 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
Egyptian Goose
Formerly bred in eastern North America; range collapsed in the 19th century. Extinct by 1914; last wild individual shot in 1900.
Black Swan
Australia, primarily in the southeast and southwest. Introduced populations in New Zealand, Japan, and western Europe.
보전 상태
Egyptian Goose
Black Swan
How to Tell Them Apart
Egyptian Goose
Pale grayish-brown with chestnut-brown patch around eye and dark chestnut patch on breast center. Wings show large white patch and black-and-green speculum in flight. Pinkish bill and legs. Sexes similar.
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
Egyptian Goose
갈색-흰색 몸통, 어두운 눈 반점, 밤색 패치가 있는 크고 눈에 띄는 조갑류 거위 같은 새. 눈에 띄는 흰 날개 무늬가 있다. 나일 강에서 남아프리카까지 사하라 이남 아프리카와 이집트에 서식한다. 목초지와 농경지를 선호한다.
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.