Common Pochard vs Mute Swan
Aythya ferina 对比 Cygnus olor
Side-by-Side Comparison
| 属性 | Common Pochard | Mute Swan |
|---|---|---|
| 学名 | Aythya ferina | 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 | 41.7 cm (16.4 in) | 235.0 cm (92.5 in) |
| 体重 | 845.5 g (29.82 oz) | 11000.0 g (388.01 oz) |
| 食性 | Eats molluscs, crustaceans, and aquatic invertebrates; dives in shallow water; diet dominated by hard-shelled benthic … | Submerged aquatic vegetation, algae, and grass. Feeds by upending in shallow water, reaching depths of … |
| 产卵数 | 3-22 | 5-7 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Common Pochard
Breeds on freshwater lakes and marshes with emergent vegetation across Eurasia from Iceland and western Europe east to Siberia. Winters on large open lakes, reservoirs, and estuaries.
Mute Swan
Lakes, slow rivers, estuaries, and coastal lagoons. Often associated with parks and ornamental waters in Europe.
Song & Call Comparison
Common Pochard
Male emits a soft, wheezing purr; female gives a harsh, grating quacking series. The male's gentle, sibilant purring contrasts with the female's loud, grating call on European and Asian lakes.
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 Pochard
Breeds across northern and central North America; winters in Mexico, Central America, and along both US coasts.
Mute Swan
Native to Europe and western Asia. Introduced to North America, South Africa, Australia, and New Zealand.
保护状况
Common Pochard
Mute Swan
How to Tell Them Apart
Common Pochard
Males have chestnut-red head and neck; black breast; pale gray body; black undertail. Red eye. Blue-gray bill with dark base and tip. Females brown with pale face and eye-ring. Gray …
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 Pochard
红头潜鸭是常见的欧亚潜鸭，广泛繁殖于欧洲和亚洲温带地区，越冬于地中海、中东及亚洲南部。雄鸟头部砖红色，背部灰白色，胸部黑色；雌鸟褐色。善于潜水觅食，以水生植物、种子和无脊椎动物为食。近年来欧洲种群数量有所下降。
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.