Wood Duck vs African Black Duck
Aix sponsa 비교 대상 Anas sparsa
Side-by-Side Comparison
| 속성 | Wood Duck | African Black Duck |
|---|---|---|
| 학명 | Aix sponsa | Anas sparsa |
| 목 | Anseriformes | Anseriformes |
| 과 | Anatidae | Anatidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | — | — |
| 날개 폭 | 44.1 cm (17.4 in) | 49.5 cm (19.5 in) |
| 체중 | 691.75 g (24.40 oz) | 996.8333333333334 g (35.16 oz) |
| 식성 | Dabbles for seeds and aquatic invertebrates; diet shifts between plant matter and invertebrates seasonally in … | Eats molluscs, crustaceans, and aquatic invertebrates; dives in coastal and freshwater habitats; diet heavier in … |
| 산란 수 | 9-15 | 4-9 |
| Population Trend | — | — |
Habitat Comparison
Wood Duck
Wooded swamps, beaver ponds, forested river margins, and tree-lined lakes in eastern and western North America. Nests in tree cavities up to 15m high. Readily uses nest boxes. Winters on wooded freshwater wetlands.
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.
Song & Call Comparison
Wood Duck
Male gives a loud, rising 'jeeee' whistle; female gives a soft, nasal 'oo-eek'. One of North America's most beautiful ducks; its call matches its spectacular appearance.
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.
Geographic Range & Migration
Wood Duck
Breeds in Eurasia; winters across tropical and southern Africa, the Middle East, and South and Southeast Asia.
African Black Duck
Resident across South and Southeast Asia, from India to southern China and the Philippines. Non-migratory in most of its range.
보전 상태
Wood Duck
African Black Duck
How to Tell Them Apart
Wood Duck
Males iridescent green and purple-crested head with white throat patches and facial stripes. Chestnut breast, buffy flanks, dark back. Red eye and bill. Females gray-brown with white eye-ring teardrop. Spectacular …
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 …
About These Birds
Wood Duck
북미에서 가장 화려한 오리 중 하나; 수컷은 홍채 녹색-자주색 볏 머리, 화려한 빨강, 흰색, 파란색 무늬를 가진다. 숲이 많은 늪과 강변에서 번식하며 나무 구멍에 둥지를 튼다. 암컷은 갈색이며 흰 눈물 무늬가 있다. 씨앗, 도토리, 수생 식물을 먹는다.
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.