White-cheeked Pintail vs Mute Swan
Anas bahamensis 对比 Cygnus olor
Side-by-Side Comparison
| 属性 | White-cheeked Pintail | Mute Swan |
|---|---|---|
| 学名 | Anas bahamensis | 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 | 41.1 cm (16.2 in) | 235.0 cm (92.5 in) |
| 体重 | 544.5 g (19.21 oz) | 11000.0 g (388.01 oz) |
| 食性 | Eats molluscs, crustaceans, and aquatic invertebrates; dives in shallow coastal water; diet dominated by hard-shelled … | Submerged aquatic vegetation, algae, and grass. Feeds by upending in shallow water, reaching depths of … |
| 产卵数 | 5-12 | 5-7 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
White-cheeked Pintail
Freshwater, brackish, and coastal wetlands across the Caribbean, Galapagos Islands, and South America from Venezuela south to Argentina. Tolerates saline habitats; common in coastal lagoons and estuaries.
Mute Swan
Lakes, slow rivers, estuaries, and coastal lagoons. Often associated with parks and ornamental waters in Europe.
Song & Call Comparison
White-cheeked Pintail
Female gives a descending quacking series; male produces a soft, nasal gak note. Both sexes relatively quiet; calls carry across Caribbean mangroves and Bahamian tidal flats.
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
White-cheeked Pintail
Breeds in the subarctic and Arctic Eurasia; winters across temperate lakes and coasts in Europe, Africa, and Asia.
Mute Swan
Native to Europe and western Asia. Introduced to North America, South Africa, Australia, and New Zealand.
保护状况
White-cheeked Pintail
Mute Swan
How to Tell Them Apart
White-cheeked Pintail
Brown body mottled with dark spots; white cheeks and throat distinctive. Pointed tail. Red base to gray bill. Iridescent green speculum with buff-white front border. Sexes similar but males have …
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
White-cheeked Pintail
白颊针尾鸭（Anas bahamensis）是一种身材修长的鸭，面颊和喉部白色与棕色体羽形成对比，喙基部红色，体羽灰色。属鸭科（Anatidae），分布于加勒比海至南美洲的热带湿地，以及加拉帕戈斯群岛。
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.