Madagascar Teal vs Mute Swan
Anas bernieri 对比 Cygnus olor
Side-by-Side Comparison
| 属性 | Madagascar Teal | Mute Swan |
|---|---|---|
| 学名 | Anas bernieri | Cygnus olor |
| 目 | Anseriformes | Anseriformes |
| 科 | Anatidae | Anatidae |
| 保护状况 | Endangered | Least Concern |
| 体长 | — | 152.0 cm (59.8 in) |
| 翼展 | 38.9 cm (15.3 in) | 235.0 cm (92.5 in) |
| 体重 | 365.0 g (12.88 oz) | 11000.0 g (388.01 oz) |
| 食性 | Dives for molluscs, crustaceans, and aquatic invertebrates; diet dominated by hard-shelled benthic invertebrates year-round. | Submerged aquatic vegetation, algae, and grass. Feeds by upending in shallow water, reaching depths of … |
| 产卵数 | 2-10 | 5-7 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Madagascar Teal
Mangroves, coastal lagoons, freshwater lakes, and rivers of western Madagascar. Endangered; restricted to small fragmented wetland areas. Nests in mangrove cavities or tree holes near water.
Mute Swan
Lakes, slow rivers, estuaries, and coastal lagoons. Often associated with parks and ornamental waters in Europe.
Song & Call Comparison
Madagascar Teal
Female gives a nasal, quacking series; male utters a soft whistle. Extremely rare; calls resemble Grey Teal but slightly softer; heard only in restricted Malagasy freshwater habitat.
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.
Geographic Range & Migration
Madagascar Teal
Breeds across northern and central North America; winters in the southern United States, Mexico, and Caribbean.
Mute Swan
Native to Europe and western Asia. Introduced to North America, South Africa, Australia, and New Zealand.
保护状况
Madagascar Teal
Mute Swan
How to Tell Them Apart
Madagascar Teal
Plain warm brown plumage with faint spotting; head slightly paler buff-brown. Orange-pink bill. Dull reddish-brown speculum. Orange legs. Sexes similar. Endangered Madagascar endemic; mangrove and coastal wetland specialist.
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
About These Birds
Madagascar Teal
马岛鸭（Anas bernieri）是一种小型褐色鸭，体羽具细密斑点，眼睛红色，具蓝绿色翼镜。特产于马达加斯加，属鸭科（Anatidae），是马达加斯加最濒危的水禽之一，受到栖息地丧失威胁。
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.