Long-tailed Duck vs Mute Swan
Clangula hyemalis 对比 Cygnus olor
Side-by-Side Comparison
| 属性 | Long-tailed Duck | Mute Swan |
|---|---|---|
| 学名 | Clangula hyemalis | Cygnus olor |
| 目 | Anseriformes | Anseriformes |
| 科 | Anatidae | Anatidae |
| 保护状况 | Vulnerable | Least Concern |
| 体长 | — | 152.0 cm (59.8 in) |
| 翼展 | 43.1 cm (17.0 in) | 235.0 cm (92.5 in) |
| 体重 | 782.0 g (27.58 oz) | 11000.0 g (388.01 oz) |
| 食性 | Dives deeply for crustaceans, molluscs, and small fish in Arctic and subarctic seas. Freshwater invertebrates … | Submerged aquatic vegetation, algae, and grass. Feeds by upending in shallow water, reaching depths of … |
| 产卵数 | 2-11 | 5-7 |
| 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
Long-tailed Duck
Male sings a musical, yodeling ow-owlet-aaaalett sequence; female gives a low, grunting quack. The male's loud, harmonious yodeling is arguably the most musical call among all waterfowl species.
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
Long-tailed Duck
Circumpolar High Arctic breeder. Winters at sea on coasts of northwestern Europe, northeastern North America, and the Bering Sea region.
Mute Swan
Native to Europe and western Asia. Introduced to North America, South Africa, Australia, and New Zealand.
保护状况
Long-tailed Duck
Mute Swan
How to Tell Them Apart
Long-tailed Duck
Male in winter is mostly white with dark brown chest band, scapulars, and cheek patch; elongated central tail feathers extend well beyond body. Female is brownish with white face, dark …
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
Long-tailed Duck
长尾鸭是迁徙距离最长的海鸭之一，以雄鸟细长的中央尾羽著称。繁殖于北极苔原和亚北极地带，越冬于北太平洋、北大西洋和波罗的海沿岸。善深潜，可潜至60米以上深处觅食甲壳类、软体动物和小鱼。雄鸟冬羽白色为主，夏羽褐黑色，换羽模式独特。
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.