Hooded Merganser vs Mute Swan
Lophodytes cucullatus 对比 Cygnus olor
Side-by-Side Comparison
| 属性 | Hooded Merganser | Mute Swan |
|---|---|---|
| 学名 | Lophodytes cucullatus | 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 | 37.3 cm (14.7 in) | 235.0 cm (92.5 in) |
| 体重 | 638.0 g (22.50 oz) | 11000.0 g (388.01 oz) |
| 食性 | Dives for small fish, aquatic invertebrates, and frogs in clear freshwater streams and ponds. Uses … | Submerged aquatic vegetation, algae, and grass. Feeds by upending in shallow water, reaching depths of … |
| 产卵数 | 6-18 | 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
Hooded Merganser
Male produces a low, rolling rolling-tum tumbling call; female gives a harsh, grating quack. The male's frog-like rolling call is unique among North American ducks during winter courtship.
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
Hooded Merganser
Breeds in forested wetlands of North America from southern Canada to the northern United States. Winters on rivers and lakes south to Mexico.
Mute Swan
Native to Europe and western Asia. Introduced to North America, South Africa, Australia, and New Zealand.
保护状况
Hooded Merganser
Mute Swan
How to Tell Them Apart
Hooded Merganser
Male has fan-shaped black-and-white erectile crest; black head and neck, white breast with two black bars, rich cinnamon flanks. Female is greyish-brown with rusty-cinnamon crest, paler below.
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
Hooded Merganser
冠秋沙鸭是北美最小的锯嘴鸭，以雄鸟能展开和折叠的大型扇形白色羽冠著称。繁殖于北美东部和西部的林地湖泊，在树洞中营巢，越冬于南部沿海和内陆水域。雄鸟黑白相间，冠羽醒目；雌鸟褐色，冠羽棕色。以鱼类、甲壳类和水生昆虫为食。
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.