American Black Duck vs White-winged Duck
Anas rubripes 비교 대상 Asarcornis scutulata
Side-by-Side Comparison
| 속성 | American Black Duck | White-winged Duck |
|---|---|---|
| 학명 | Anas rubripes | Asarcornis scutulata |
| 목 | Anseriformes | Anseriformes |
| 과 | Anatidae | Anatidae |
| 보전 상태 | Least Concern | Critically Endangered |
| 체장 | — | — |
| 날개 폭 | 53.4 cm (21.0 in) | 68.3 cm (26.9 in) |
| 체중 | 1211.25 g (42.73 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 | 1-17 | 6-15 |
| Population Trend | — | — |
Habitat Comparison
American Black Duck
Freshwater and brackish wetlands in eastern North America from Atlantic Canada south along the coast to Georgia. Breeds in northern bogs and wetlands. Winters on coastal marshes, estuaries, and freshwater lakes.
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
American Black Duck
Female produces a loud, deep quacking series; male gives a low, raspy grunt. Voice is deeper and huskier than a Mallard; pairs call powerfully across northeastern North American wetlands.
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
American 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
American Black Duck
White-winged Duck
How to Tell Them Apart
American Black Duck
Sooty dark brown body; head and neck paler buff with dark streaking. Iridescent purple speculum without white border. Males have yellow-green bill; females olive with orange blotches. Silvery underwings in …
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
American Black Duck
아메리카 검정 오리는 북아메리카 동부에 서식하는 중간 크기의 오리로, 말라드와 매우 유사하지만 전체적으로 더 어둡고 뚜렷한 보라색 날개 거울을 가지고 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.