African Black Duck vs Puna Teal
Anas sparsa 对比 Spatula puna
Side-by-Side Comparison
| 属性 | African Black Duck | Puna Teal |
|---|---|---|
| 学名 | Anas sparsa | Spatula puna |
| 目 | Anseriformes | Anseriformes |
| 科 | Anatidae | Anatidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 49.5 cm (19.5 in) | 42.8 cm (16.9 in) |
| 体重 | 996.8333333333334 g (35.16 oz) | 507.75 g (17.91 oz) |
| 食性 | Eats molluscs, crustaceans, and aquatic invertebrates; dives in coastal and freshwater habitats; diet heavier in … | Eats seeds and aquatic invertebrates; dabbles in shallow freshwater; diet more invertebrate-heavy in spring breeding … |
| 产卵数 | 4-9 | 5-6 |
| 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.
Puna Teal
High-altitude lakes, salars, and marshy bogs on the puna and altiplano at 3,500–5,000 m in Peru, Bolivia, Chile, and northwestern Argentina. Associated with brackish and freshwater high-altitude wetlands.
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.
Puna Teal
Male gives a clear, high whistle; female responds with a soft, descending quack. The clean whistled note carries distinctly across high-altitude Andean wetlands and salt lakes.
Geographic Range & Migration
African Black Duck
Resident across South and Southeast Asia, from India to southern China and the Philippines. Non-migratory in most of its range.
Puna Teal
Breeds in sub-Arctic and boreal Eurasia; winters on temperate coastlines and large lakes of Europe and Asia.
保护状况
African Black Duck
Puna Teal
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 …
Puna Teal
Pale gray body finely vermiculated. Black cap extending to nape contrasting with white face and throat. Bright pale blue bill. Blue forewing patch in flight; green speculum. Sexes similar. High …
About These Birds
African Black Duck
A medium-sized dark brown duck with white spots on the back, a dark bill, and orange legs. Found along fast-flowing rocky rivers and streams in Africa. Territorial and monogamous; pairs defend stretches of river. Related to Pacific Black Duck.
Puna Teal
普纳鸭是栖息于南美洲安第斯高原的小型水面鸭，主要分布于秘鲁、玻利维亚和阿根廷西北部的高原湖泊。雄鸟头部深灰色，嘴基有特征性白色斑块，体羽棕灰色；雌鸟褐色。是高海拔湿地的特化物种，以水生植物和无脊椎动物为食，被列为易危物种。