Mexican Duck vs Mute Swan
Anas diazi 对比 Cygnus olor
Side-by-Side Comparison
| 属性 | Mexican Duck | Mute Swan |
|---|---|---|
| 学名 | Anas diazi | Cygnus olor |
| 目 | Anseriformes | Anseriformes |
| 科 | Anatidae | Anatidae |
| 保护状况 | Not Evaluated | Least Concern |
| 体长 | — | 152.0 cm (59.8 in) |
| 翼展 | — | 235.0 cm (92.5 in) |
| 体重 | 1003.75 g (35.41 oz) | 11000.0 g (388.01 oz) |
| 食性 | Eats fish, molluscs, and aquatic invertebrates; dives in fresh and salt water; diet shifts between … | Submerged aquatic vegetation, algae, and grass. Feeds by upending in shallow water, reaching depths of … |
| 产卵数 | 1-13 | 5-7 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Mexican Duck
Freshwater lakes, marshes, and rivers at 1,000–2,500 m in the highlands of Mexico and the southwestern United States. Uses agricultural ponds and irrigation canals.
Mute Swan
Lakes, slow rivers, estuaries, and coastal lagoons. Often associated with parks and ornamental waters in Europe.
Song & Call Comparison
Mexican Duck
Female gives a Mallard-like, descending quacking series; male utters a soft, nasal grunt. Vocalizations essentially identical to Mallard; found in Mexican interior wetlands and the Rio Grande.
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
Mexican Duck
Breeds in central and eastern Siberia; winters in East Asia, Southeast Asia, and the East African coast.
Mute Swan
Native to Europe and western Asia. Introduced to North America, South Africa, Australia, and New Zealand.
保护状况
Mexican Duck
Mute Swan
How to Tell Them Apart
Mexican Duck
Similar to Mottled Duck; mottled brown plumage with pale buff head showing dark crown and eye stripe. Iridescent blue-purple speculum with white borders. Yellow-orange bill. Both sexes similar. SW USA …
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
Mexican Duck
墨西哥鸭，也称墨西哥鸭，是一种中型鸭子，栖息于墨西哥中部高原及美国西南部的湿地和河流。其羽色与雌性绿头鸭相似，呈褐色斑驳状，嘴部呈橄榄黄色。雄雌外形相近，常在浅水湿地觅食。该物种被列为濒危物种，受栖息地丧失和与绿头鸭杂交的威胁。
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.