African Black Duck vs White-winged Duck
Anas sparsa 비교 대상 Asarcornis scutulata
Side-by-Side Comparison
| 속성 | African Black Duck | White-winged Duck |
|---|---|---|
| 학명 | Anas sparsa | Asarcornis scutulata |
| 목 | Anseriformes | Anseriformes |
| 과 | Anatidae | Anatidae |
| 보전 상태 | Least Concern | Critically Endangered |
| 체장 | — | — |
| 날개 폭 | 49.5 cm (19.5 in) | 68.3 cm (26.9 in) |
| 체중 | 996.8333333333334 g (35.16 oz) | 2950.0 g (104.06 oz) |
| 식성 | -- | Feeds on seeds, plant material, and aquatic invertebrates; dabbles in shallow water; diet varies widely … |
| 산란 수 | 4-9 | 6-15 |
| Population Trend | — | — |
Habitat Comparison
African Black Duck
Fast-flowing rocky rivers and streams, mountain gorges, and waterfalls from sea level to 4,000 m across sub-Saharan Africa from Ethiopia and Kenya south to the Cape. Requires clear turbulent water with boulders.
White-winged Duck
Undisturbed lowland tropical forest near slow rivers, pools, and forest swamps at low elevations in northeastern India, Bangladesh, Myanmar, and Sumatra. Requires large trees with nest cavities near permanent water.
Song & Call Comparison
African Black Duck
Produces a harsh, resonant quacking call; alarm is a loud, emphatic quack repeated rapidly. Both sexes call with strong quacking; pairs duet with synchronized calls along African rivers.
White-winged Duck
Critically endangered; extremely rare in wild. Gives low guttural hissing calls and soft wing-beating sounds. Vocalizations in wild scarcely documented given its rarity.
Geographic Range & Migration
African Black Duck
White-winged Duck
Breeds in northern Eurasia; winters in sub-Saharan Africa. A classic Palearctic–African migrant with a wide wintering range.
보전 상태
African Black Duck
White-winged Duck
How to Tell Them Apart
African Black Duck
Dark blackish-brown plumage with bold white spots on back and scapulars. Iridescent blue-green speculum with white borders. Head dark with pale spots. Bill and legs dark gray. Sexes similar. Fast-flowing …
White-winged Duck
Dark brown body with pale spotting on head and neck. Bold white wing patch visible in flight. Yellowish-orange bill; legs orange. Head pale buffish-white speckled brown. Critically endangered SE Asian …
About These Birds
African Black Duck
아프리카 검정 오리는 사하라 이남 아프리카의 산간 하천과 개울에 서식하는 중간 크기의 오리입니다. 어두운 갈색 깃털과 흰색 반점이 특징이며, 빠르게 흐르는 물에 적응되어 있습니다.
White-winged Duck
창백하게 점박이 무늬가 있는 머리, 갈색 몸통, 비행 중 넓은 흰 날개 반점이 있는 큰 어두운 오리입니다. 아시아에서 가장 멸종위기에 처한 오리 중 하나입니다. 남아시아와 동남아시아의 강 근처 미개발 저지대 숲에 서식합니다. 큰 나무 구멍에 둥지를 틉니다. 삼림 벌채와 사냥으로 위협받고 있습니다.