Egyptian Goose vs Mute Swan
Alopochen aegyptiaca 对比 Cygnus olor
Side-by-Side Comparison
| 属性 | Egyptian Goose | Mute Swan |
|---|---|---|
| 学名 | Alopochen aegyptiaca | 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 | 71.2 cm (28.0 in) | 235.0 cm (92.5 in) |
| 体重 | 2021.3333333333333 g (71.30 oz) | 11000.0 g (388.01 oz) |
| 食性 | Feeds on seeds, grasses, and invertebrates; forages on land and water; diet shifts between terrestrial … | Submerged aquatic vegetation, algae, and grass. Feeds by upending in shallow water, reaching depths of … |
| 产卵数 | 5-14 | 5-7 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Egyptian Goose
Native to sub-Saharan Africa and the Nile Valley; also introduced in western Europe. Freshwater margins, agricultural fields, parks, and golf courses. Highly adaptable; common near human habitation.
Mute Swan
Lakes, slow rivers, estuaries, and coastal lagoons. Often associated with parks and ornamental waters in Europe.
Song & Call Comparison
Egyptian Goose
A harsh, honking 'haw-haw' from males; females give a reedy, nasal 'kink-kink'. Very vocal and aggressive; pairs call repeatedly near nest sites in African wetlands.
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
Egyptian Goose
Formerly bred in eastern North America; range collapsed in the 19th century. Extinct by 1914; last wild individual shot in 1900.
Mute Swan
Native to Europe and western Asia. Introduced to North America, South Africa, Australia, and New Zealand.
保护状况
Egyptian Goose
Mute Swan
How to Tell Them Apart
Egyptian Goose
Pale grayish-brown with chestnut-brown patch around eye and dark chestnut patch on breast center. Wings show large white patch and black-and-green speculum in flight. Pinkish bill and legs. 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
Egyptian Goose
埃及雁（Alopochen aegyptiaca）是一种体型较大、引人注目的麻鸭类鸟，体羽棕白相间，眼部具深色斑块，胸部具栗色斑。属鸭科（Anatidae），广泛分布于撒哈拉以南非洲及尼罗河流域，现已作为入侵物种扩散至欧洲。
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.