Southern Pochard vs Blue-billed Teal
Netta erythrophthalma 对比 Spatula hottentota
Side-by-Side Comparison
| 属性 | Southern Pochard | Blue-billed Teal |
|---|---|---|
| 学名 | Netta erythrophthalma | Spatula hottentota |
| 目 | Anseriformes | Anseriformes |
| 科 | Anatidae | Anatidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 41.6 cm (16.4 in) | 29.4 cm (11.6 in) |
| 体重 | 820.8 g (28.95 oz) | 269.2 g (9.50 oz) |
| 食性 | Dives for molluscs, crustaceans, and aquatic invertebrates; eats hard-shelled prey; diet shifts with coastal habitat … | Feeds on seeds, aquatic plants, and invertebrates; filter-feeds in shallow water; broadly omnivorous and seasonally … |
| 产卵数 | 5-15 | 5-12 |
| Population Trend | — | — |
Habitat Comparison
Southern Pochard
Freshwater and brackish lakes, pans, and marshes in sub-Saharan Africa and separately in Colombia, Venezuela, Peru, and Ecuador. Nomadic in Africa; follows seasonal flooding.
Blue-billed Teal
Freshwater lakes, marshes, pans, and flooded grasslands across sub-Saharan Africa from Senegal and Sudan south to the Cape. Nomadic; follows seasonal rains. Common but easily overlooked among reed beds.
Song & Call Comparison
Southern Pochard
Male gives a harsh, buzzy churr; female produces a series of resonant quacks. The male's buzzy display call is subdued; the female's loud, emphatic quacking dominates African wetland sounds.
Blue-billed Teal
Male utters a soft, teal-like peep; female gives a muted quack. Pairs call quietly in dense papyrus; soft contact calls help birds maintain proximity in thick African marsh vegetation.
Geographic Range & Migration
Southern Pochard
Breeds across northern North America; winters along both coasts, the Gulf of Mexico, and in the Caribbean Basin.
Blue-billed Teal
Breeds in Arctic and subarctic Eurasia; winters at sea in the North Atlantic and from western Europe to eastern Africa.
保护状况
Southern Pochard
Blue-billed Teal
How to Tell Them Apart
Southern Pochard
Males deep brown with iridescent black head and red eye; pale blue-gray bill with dark tip. Females brown with pale face and pale crescent behind eye. White wing stripe in …
Blue-billed Teal
Small; males have pale blue-gray bill contrasting with brown-gray body. Head finely spotted; underparts barred brown and white. Males show powder-blue forewing in flight. Females browner. African marsh species.
About These Birds
Southern Pochard
南非潜鸭是非洲和南美洲（南美亚种）的深水潜鸭，雄鸟头部深栗红色有光泽，眼睛红色，嘴部蓝灰色；雌鸟褐色。分布于撒哈拉以南非洲、马达加斯加及南美洲北部的湖泊和水库。善深潜，以水生植物和无脊椎动物为食。南美亚种（Netta erythrophthalma brunnea）有时被视为独立物种。
Blue-billed Teal
霍屯都鸭是非洲的一种小型水面鸭，以南非土著霍屯都人命名，主要分布于撒哈拉以南非洲东部和南部。体型小，雄鸟头颈部蓝灰色，体羽棕褐色有细纹；雌鸟褐色。栖息于淡水湖泊、沼泽和湿地，以水生植物和无脊椎动物为食。