Marbled Duck vs Mute Swan
Marmaronetta angustirostris 比較対象 Cygnus olor
Side-by-Side Comparison
| 属性 | Marbled Duck | Mute Swan |
|---|---|---|
| 学名 | Marmaronetta angustirostris | Cygnus olor |
| 目 | Anseriformes | Anseriformes |
| 科 | Anatidae | Anatidae |
| 保全状況 | Near Threatened | Least Concern |
| 体長 | — | 152.0 cm (59.8 in) |
| 翼開長 | 40.1 cm (15.8 in) | 235.0 cm (92.5 in) |
| 体重 | 422.5 g (14.90 oz) | 11000.0 g (388.01 oz) |
| 食性 | Dives for molluscs, crustaceans, and small fish; diet dominated by hard-shelled benthic invertebrates in coastal … | Submerged aquatic vegetation, algae, and grass. Feeds by upending in shallow water, reaching depths of … |
| 一腹卵数 | 5-20 | 5-7 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Marbled Duck
Shallow densely vegetated freshwater and brackish marshes, rice paddies, and lagoons in the Mediterranean basin, Middle East, and Central Asia. Winters in Africa and South Asia. Dependent on emergent wetland vegetation.
Mute Swan
Lakes, slow rivers, estuaries, and coastal lagoons. Often associated with parks and ornamental waters in Europe.
Song & Call Comparison
Marbled Duck
Male gives a low, guttural chuckling; female produces a nasal, rattling quack. Calls are relatively quiet for a duck; the chuckling male call is unusual among Eurasian and North African …
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
Marbled Duck
Breeds in the high Arctic; winters on the open Atlantic Ocean and along coastlines from Labrador to the Gulf of Mexico.
Mute Swan
Native to Europe and western Asia. Introduced to North America, South Africa, Australia, and New Zealand.
保全状況
Marbled Duck
Mute Swan
How to Tell Them Apart
Marbled Duck
Pale sandy-buff plumage with bold white spots throughout; distinctive marbled pattern. Dark eye patch forming mask. Pale face and throat. No iridescent speculum. Gray bill; gray legs. Sexes similar. Mediterranean …
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
Marbled Duck
マーブルダックは地中海地方から中央アジアにかけて分布する潜水性カモです。白と褐色のまだら模様の羽毛が特徴で、嘴が細長いです。浅い湿地、葦原、塩湖に生息し、水草、藻類、無脊椎動物を採食します。生息地の減少で個体数が大幅に減少しています。
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.