Barnacle Goose vs Mute Swan
Branta leucopsis 对比 Cygnus olor
Side-by-Side Comparison
| 属性 | Barnacle Goose | Mute Swan |
|---|---|---|
| 学名 | Branta leucopsis | 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 | 76.4 cm (30.1 in) | 235.0 cm (92.5 in) |
| 体重 | 1685.0 g (59.44 oz) | 11000.0 g (388.01 oz) |
| 食性 | Large white swan grazing aquatic plants and grasses; upends for submerged vegetation; supplements diet with … | Submerged aquatic vegetation, algae, and grass. Feeds by upending in shallow water, reaching depths of … |
| 产卵数 | 2-9 | 5-7 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Barnacle Goose
Breeds on inaccessible Arctic cliff ledges in Greenland, Svalbard, and Novaya Zemlya. Winters on coastal saltmarshes, pastures, and estuaries in northwestern Europe, particularly Scotland and Ireland.
Mute Swan
Lakes, slow rivers, estuaries, and coastal lagoons. Often associated with parks and ornamental waters in Europe.
Song & Call Comparison
Barnacle Goose
A rapid, high-pitched barking 'uk-uk-uk' given rapidly in flocks. Higher-pitched and more rapid than Canada Goose. Migrating flocks create a constant excited barking chorus.
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
Barnacle Goose
Breeds in Arctic tundra of Alaska and Canada; winters on the Pacific and Atlantic coasts of the United States and northern Mexico.
Mute Swan
Native to Europe and western Asia. Introduced to North America, South Africa, Australia, and New Zealand.
保护状况
Barnacle Goose
Mute Swan
How to Tell Them Apart
Barnacle Goose
Striking black, white and gray pattern. White face and forehead; black crown, neck, and upper breast. Gray back with black and white barring. White underparts. Black tail. Sexes similar; elegant …
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
Barnacle Goose
白颊黑雁是北极雁类，繁殖于格陵兰、斯匹次卑尔根和俄罗斯新地岛，越冬于英国、爱尔兰及西欧北海沿岸。头颈黑色，脸白色，体羽灰黑色带细横纹，腹部白色。以草地和农田植物为食。在中世纪，人们误以为其从藤壶中孵化而来，故又称藤壶雁。
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.