Brazilian Teal vs Mute Swan
Amazonetta brasiliensis 对比 Cygnus olor
Side-by-Side Comparison
| 属性 | Brazilian Teal | Mute Swan |
|---|---|---|
| 学名 | Amazonetta brasiliensis | 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 | 36.1 cm (14.2 in) | 235.0 cm (92.5 in) |
| 体重 | 468.0 g (16.51 oz) | 11000.0 g (388.01 oz) |
| 食性 | Dabbles for aquatic invertebrates and seeds; diet shifts toward plant material outside breeding season; forages … | Submerged aquatic vegetation, algae, and grass. Feeds by upending in shallow water, reaching depths of … |
| 产卵数 | 6-11 | 5-7 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Brazilian Teal
Freshwater lakes, marshes, rivers, flooded forest, and rice paddies across tropical and subtropical South America from Colombia and Venezuela south to northern Argentina. Tolerates natural and agricultural wetlands.
Mute Swan
Lakes, slow rivers, estuaries, and coastal lagoons. Often associated with parks and ornamental waters in Europe.
Song & Call Comparison
Brazilian Teal
Male produces a nasal, whistled wheee-oh note; female gives a short, sharp quack. Pairs call back and forth with clear whistled exchanges along Amazonian rivers.
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
Brazilian Teal
Breeds in Eurasia and winters in tropical regions from Africa to Southeast Asia. Migratory over broad fronts.
Mute Swan
Native to Europe and western Asia. Introduced to North America, South Africa, Australia, and New Zealand.
保护状况
Brazilian Teal
Mute Swan
How to Tell Them Apart
Brazilian Teal
Males have red bill and legs; brown body with dark brown back, gray head, buff-white face, and dark crown. Females have pale supercilium and paler face. Both show iridescent green …
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
Brazilian Teal
巴西野鸭（Amazonetta brasiliensis）是一种小型紧凑的鸭，体羽棕色，喙和腿红色，雄鸟具独特的粉蓝色翅膀斑块。属鸭科（Anatidae），分布于南美洲广大地区的湿地，常见且适应性强。
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.