Red-breasted Goose vs Mute Swan
Branta ruficollis 对比 Cygnus olor
Side-by-Side Comparison
| 属性 | Red-breasted Goose | Mute Swan |
|---|---|---|
| 学名 | Branta ruficollis | 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 | 69.1 cm (27.2 in) | 235.0 cm (92.5 in) |
| 体重 | 1253.25 g (44.21 oz) | 11000.0 g (388.01 oz) |
| 食性 | Grazes grasses, seeds, and aquatic plants; introduced to many wetlands; upends in shallow water for … | Submerged aquatic vegetation, algae, and grass. Feeds by upending in shallow water, reaching depths of … |
| 产卵数 | 3-10 | 5-7 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Red-breasted Goose
Breeds on river-terrace tundra in northwestern Siberia, often near Peregrine or Rough-legged Buzzard nests for protection. Winters on agricultural steppes and lake margins around the Black Sea and Caspian Sea.
Mute Swan
Lakes, slow rivers, estuaries, and coastal lagoons. Often associated with parks and ornamental waters in Europe.
Song & Call Comparison
Red-breasted Goose
A high-pitched, rapid 'kik-kik-kik' call. More vocal during migration; flocks give constant chattering. Considered a more squeaky, high-pitched call than other Branta geese.
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
Red-breasted Goose
Breeds in Arctic and subarctic tundra in North America; winters along both US coasts and interior wetlands south to Central America.
Mute Swan
Native to Europe and western Asia. Introduced to North America, South Africa, Australia, and New Zealand.
保护状况
Red-breasted Goose
Mute Swan
How to Tell Them Apart
Red-breasted Goose
Unmistakable; vivid chestnut-red patch on face and breast bordered by white stripes. Black crown, back, wings, and belly. White flank stripe and undertail. Compact and striking. Sexes similar.
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
Red-breasted Goose
红胸黑雁是颜色鲜艳的小型雁类，胸部和脸侧具鲜明的栗红色斑块，头颈黑色，具白色边界线，腹部黑色。繁殖于西伯利亚北部苔原，越冬于里海和黑海沿岸，尤以罗马尼亚、保加利亚为主。由于越冬地农业变化和猎捕，被列为易危物种。
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.