Maccoa Duck vs Blue-billed Teal
Oxyura maccoa 对比 Spatula hottentota
Side-by-Side Comparison
| 属性 | Maccoa Duck | Blue-billed Teal |
|---|---|---|
| 学名 | Oxyura maccoa | Spatula hottentota |
| 目 | Anseriformes | Anseriformes |
| 科 | Anatidae | Anatidae |
| 保护状况 | Endangered | Least Concern |
| 体长 | — | — |
| 翼展 | 31.3 cm (12.3 in) | 29.4 cm (11.6 in) |
| 体重 | 685.3333333333334 g (24.17 oz) | 269.2 g (9.50 oz) |
| 食性 | Dives for aquatic invertebrates and plant seeds in African lakes and marshes. Uses lobed feet … | Feeds on seeds, aquatic plants, and invertebrates; filter-feeds in shallow water; broadly omnivorous and seasonally … |
| 产卵数 | 4-12 | 5-12 |
| Population Trend | — | — |
Habitat Comparison
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
Maccoa Duck
Male emits a rapid, staccato drumming display; female gives a harsh, emphatic quack. The drumming call is powerful and diagnostic; this endangered southern African stiff-tail displays at dawn.
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
Maccoa Duck
Resident in eastern and southern Africa from Ethiopia and Kenya south to the Cape. Found on lakes and marshes with dense aquatic vegetation.
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
Maccoa Duck
Blue-billed Teal
How to Tell Them Apart
Maccoa Duck
Male has glossy black head, deep chestnut-red body, and vivid sky-blue bill; stiff tail often cocked. Female is dark brown above with streaked buff below and two pale facial stripes …
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
Maccoa Duck
马科硬尾鸭是非洲东部和南部的小型硬尾鸭，主要分布于肯尼亚、坦桑尼亚、津巴布韦和南非。雄鸟繁殖羽体羽棕红色，头部黑色，嘴部亮蓝色，尾羽刚硬竖起；雌鸟褐色。栖息于富营养化的浅水湖泊和大型沼泽，以水生植物和无脊椎动物为食，被列为易危物种。
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。