Velvet Scoter vs Mute Swan
Melanitta fusca 对比 Cygnus olor
Side-by-Side Comparison
| 属性 | Velvet Scoter | Mute Swan |
|---|---|---|
| 学名 | Melanitta fusca | 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 | 51.8 cm (20.4 in) | 235.0 cm (92.5 in) |
| 体重 | 1635.1666666666667 g (57.68 oz) | 11000.0 g (388.01 oz) |
| 食性 | Dives for mussels, cockles, and crustaceans in coastal and brackish waters. Freshwater insects taken on … | Submerged aquatic vegetation, algae, and grass. Feeds by upending in shallow water, reaching depths of … |
| 产卵数 | 7-9 | 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
Velvet Scoter
Male emits a low, melodious whistled note; female produces a guttural, rasping call. The male's soft whistle contrasts with the female's harsh, buzzy alarm call on European coasts.
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
Velvet Scoter
Breeds in boreal forests of northern Europe and western Siberia. Winters on coasts of northwestern Europe, the Black Sea, and Caspian Sea.
Mute Swan
Native to Europe and western Asia. Introduced to North America, South Africa, Australia, and New Zealand.
保护状况
Velvet Scoter
Mute Swan
How to Tell Them Apart
Velvet Scoter
Male is jet black overall with a small white teardrop below eye and white speculum visible in flight; yellow-sided bill with black knob at base. Female is dark brown with …
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
Velvet Scoter
绒鸭（斑海番鸭）是大型黑色海鸭，雄鸟黑色，眼下有白斑，翼具白色翼镜，嘴橙红色；雌鸟褐色。广泛繁殖于欧亚大陆北部，越冬于西欧、黑海和波罗的海沿岸。善深潜，主要以软体动物为食。与白翅斑海番鸭亲缘关系密切，分类有争议。
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.