Mute Swan vs Maccoa Duck
Cygnus olor 对比 Oxyura maccoa
Side-by-Side Comparison
| 属性 | Mute Swan | Maccoa Duck |
|---|---|---|
| 学名 | Cygnus olor | Oxyura maccoa |
| 目 | Anseriformes | Anseriformes |
| 科 | Anatidae | Anatidae |
| 保护状况 | Least Concern | Endangered |
| 体长 | 152.0 cm (59.8 in) | — |
| 翼展 | 235.0 cm (92.5 in) | 31.3 cm (12.3 in) |
| 体重 | 11000.0 g (388.01 oz) | 685.3333333333334 g (24.17 oz) |
| 食性 | Submerged aquatic vegetation, algae, and grass. Feeds by upending in shallow water, reaching depths of … | Dives for aquatic invertebrates and plant seeds in African lakes and marshes. Uses lobed feet … |
| 产卵数 | 5-7 | 4-12 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Mute Swan
Lakes, slow rivers, estuaries, and coastal lagoons. Often associated with parks and ornamental waters in Europe.
Song & Call Comparison
Mute Swan
Despite its name, not truly mute: gives hissing snorts and low grunting when threatened. Wings produce a loud rhythmic whistling throbbing sound in flight.
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.
Geographic Range & Migration
Mute Swan
Native to Europe and western Asia. Introduced to North America, South Africa, Australia, and New Zealand.
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.
保护状况
Mute Swan
Maccoa Duck
How to Tell Them Apart
Mute Swan
All-white plumage in adults. Cygnets are grey-brown, gradually whitening over the first year. Graceful S-curved neck posture is distinctive.
Orange bill with a prominent black knob at the base, larger in males
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 …
About These Birds
Mute Swan
The mute swan is one of the heaviest flying birds, with males weighing up to 14 kg. Despite its name, it is not truly mute, producing hissing, grunting, and snorting sounds. Mute swans form lifelong pair bonds and their aggressive defense of nesting territory is well known.
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。