White-winged Duck vs Mute Swan
Asarcornis scutulata 比較対象 Cygnus olor
Side-by-Side Comparison
| 属性 | White-winged Duck | Mute Swan |
|---|---|---|
| 学名 | Asarcornis scutulata | Cygnus olor |
| 目 | Anseriformes | Anseriformes |
| 科 | Anatidae | Anatidae |
| 保全状況 | Critically Endangered | Least Concern |
| 体長 | — | 152.0 cm (59.8 in) |
| 翼開長 | 68.3 cm (26.9 in) | 235.0 cm (92.5 in) |
| 体重 | 2950.0 g (104.06 oz) | 11000.0 g (388.01 oz) |
| 食性 | Feeds on seeds, plant material, and aquatic invertebrates; dabbles in shallow water; diet varies widely … | Submerged aquatic vegetation, algae, and grass. Feeds by upending in shallow water, reaching depths of … |
| 一腹卵数 | 6-15 | 5-7 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
White-winged Duck
Undisturbed lowland tropical forest near slow rivers, pools, and forest swamps at low elevations in northeastern India, Bangladesh, Myanmar, and Sumatra. Requires large trees with nest cavities near permanent water.
Mute Swan
Lakes, slow rivers, estuaries, and coastal lagoons. Often associated with parks and ornamental waters in Europe.
Song & Call Comparison
White-winged Duck
Critically endangered; extremely rare in wild. Gives low guttural hissing calls and soft wing-beating sounds. Vocalizations in wild scarcely documented given its rarity.
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
White-winged Duck
Breeds in northern Eurasia; winters in sub-Saharan Africa. A classic Palearctic–African migrant with a wide wintering range.
Mute Swan
Native to Europe and western Asia. Introduced to North America, South Africa, Australia, and New Zealand.
保全状況
White-winged Duck
Mute Swan
How to Tell Them Apart
White-winged Duck
Dark brown body with pale spotting on head and neck. Bold white wing patch visible in flight. Yellowish-orange bill; legs orange. Head pale buffish-white speckled brown. Critically endangered SE Asian …
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
White-winged Duck
ホワイトウィングドウッドダックは東南アジアの熱帯雨林に生息する稀少なカモです。翼の白い斑が特徴的な大型のカモです。インド、バングラデシュ、東南アジアの深い熱帯雨林の河川や沼地に生息し、深刻な絶滅危惧種です。
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.