Common Scoter vs Mute Swan
Melanitta nigra 对比 Cygnus olor
Side-by-Side Comparison
| 属性 | Common Scoter | Mute Swan |
|---|---|---|
| 学名 | Melanitta nigra | Cygnus olor |
| 目 | Anseriformes | Anseriformes |
| 科 | Anatidae | Anatidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | 152.0 cm (59.8 in) |
| 翼展 | 44.2 cm (17.4 in) | 235.0 cm (92.5 in) |
| 体重 | 1127.25 g (39.76 oz) | 11000.0 g (388.01 oz) |
| 食性 | Dives for bivalves, especially cockles, mussels, and clams, in shallow coastal seas. Also eats crustaceans … | Submerged aquatic vegetation, algae, and grass. Feeds by upending in shallow water, reaching depths of … |
| 产卵数 | 6-8 | 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
Common Scoter
Male gives a soft, piping whistle; female produces a harsh, rasping call. The male's piping whistle is subtle; female's harsh calls dominate on European winter coasts and estuaries.
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
Common Scoter
Breeds on moorland and boreal tundra from Iceland and Britain east to western Siberia. Winters on northwestern European coasts and the Baltic Sea.
Mute Swan
Native to Europe and western Asia. Introduced to North America, South Africa, Australia, and New Zealand.
保护状况
Common Scoter
Mute Swan
How to Tell Them Apart
Common Scoter
Male is entirely sooty black without white markings; orange-yellow patch on upper bill with small black knob. Female brownish-black above with contrasting pale cream cheeks and throat.
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
Common Scoter
黑海番鸭是欧亚大陆的黑色海鸭，雄鸟全身黑色，仅嘴基具明亮的橙黄色斑块；雌鸟褐色，脸颊浅色。繁殖于苏格兰、斯堪的纳维亚和西伯利亚北部，越冬于西欧和北非大西洋沿岸。善潜水，以软体动物和甲壳类为食，常在近岸浅海越冬。
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.