Kelp Goose vs Mute Swan
Chloephaga hybrida 对比 Cygnus olor
Side-by-Side Comparison
| 属性 | Kelp Goose | Mute Swan |
|---|---|---|
| 学名 | Chloephaga hybrida | 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 | 71.6 cm (28.2 in) | 235.0 cm (92.5 in) |
| 体重 | 2735.0 g (96.47 oz) | 11000.0 g (388.01 oz) |
| 食性 | Feeds on grasses, seeds, and aquatic invertebrates in coastal wetlands; grazes and dabbles; diet varies … | Submerged aquatic vegetation, algae, and grass. Feeds by upending in shallow water, reaching depths of … |
| 产卵数 | 3-7 | 5-7 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Kelp Goose
Rocky wave-washed shores, sea channels, and kelp-fringed coasts of Patagonian Chile and Argentina south to Tierra del Fuego, and the Falkland Islands. Strictly coastal; almost never moves inland.
Mute Swan
Lakes, slow rivers, estuaries, and coastal lagoons. Often associated with parks and ornamental waters in Europe.
Song & Call Comparison
Kelp Goose
A loud, nasal 'honk'. Male is mostly white and gives sharper calls; female is dark and gives softer, lower honks. Coastal Patagonian and Falklands habitat; highly vocal.
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
Kelp Goose
Found in freshwater marshes across sub-Saharan Africa. Largely sedentary with local nomadic movements following rainfall patterns.
Mute Swan
Native to Europe and western Asia. Introduced to North America, South Africa, Australia, and New Zealand.
保护状况
Kelp Goose
Mute Swan
How to Tell Them Apart
Kelp Goose
Extreme dimorphism. Males entirely white with yellow bill and legs. Females dark brown barred white overall; yellow legs. Coastal species of rocky shores. Sexes so different they were once considered …
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
Kelp Goose
洛岛雁是分布于南美洲南端麦哲伦地区及福克兰群岛的沿海雁类。体型中等，雄鸟头颈白色，体羽灰白色；雌鸟褐色带黑色横纹。主要栖息于岩质海岸，以潮间带海藻和草地植物为食。该物种有两个亚种，福克兰群岛亚种数量较多且相对稳定。
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.