Swan Goose vs Mute Swan
Anser cygnoid 对比 Cygnus olor
Side-by-Side Comparison
| 属性 | Swan Goose | Mute Swan |
|---|---|---|
| 学名 | Anser cygnoid | Cygnus olor |
| 目 | Anseriformes | Anseriformes |
| 科 | Anatidae | Anatidae |
| 保护状况 | Endangered | Least Concern |
| 体长 | — | 152.0 cm (59.8 in) |
| 翼展 | 84.4 cm (33.2 in) | 235.0 cm (92.5 in) |
| 体重 | 3343.75 g (117.95 oz) | 11000.0 g (388.01 oz) |
| 食性 | Herbivore; grazes aquatic plants and grasses at wetland margins; takes invertebrates in spring; diet shifts … | Submerged aquatic vegetation, algae, and grass. Feeds by upending in shallow water, reaching depths of … |
| 产卵数 | 4-8 | 5-7 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Swan Goose
Breeds on steppe lakes, rivers, and meadows in Mongolia, Siberia, and northeastern China. Winters in eastern China's Yangtze River floodplain and coastal wetlands. Wild populations critically small.
Mute Swan
Lakes, slow rivers, estuaries, and coastal lagoons. Often associated with parks and ornamental waters in Europe.
Song & Call Comparison
Swan Goose
A deep, resonant 'honk'; less frequently heard than Greylag. The EN status reflects serious population decline; vocalizations are considered similar to Greylag Goose.
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
Swan Goose
Breeds in the tundra and boreal zones of Alaska and Canada; winters on the Pacific coast from British Columbia to California.
Mute Swan
Native to Europe and western Asia. Introduced to North America, South Africa, Australia, and New Zealand.
保护状况
Swan Goose
Mute Swan
How to Tell Them Apart
Swan Goose
Long neck with rich chestnut hindneck stripe. Forehead and crown dark brown; face and throat whitish. Upperparts grayish-brown; underparts pale. Long black bill. Pink legs. Ancestor of Chinese domestic geese.
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
Swan Goose
鸿雁是家鹅（中国鹅）的野生祖先，繁殖于西伯利亚东部和中国北部，越冬于中国长江流域和朝鲜半岛。体型大，颈细长，前额有明显的黑色额疣（雄鸟更为突出），背部深褐色，腹部浅色。以水生植物和农作物为食，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.