White-cheeked Pintail vs Black Swan
Anas bahamensis 比較対象 Cygnus atratus
Side-by-Side Comparison
| 属性 | White-cheeked Pintail | Black Swan |
|---|---|---|
| 学名 | Anas bahamensis | Cygnus atratus |
| 目 | Anseriformes | Anseriformes |
| 科 | Anatidae | Anatidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | 130.0 cm (51.2 in) |
| 翼開長 | 41.1 cm (16.2 in) | 190.0 cm (74.8 in) |
| 体重 | 544.5 g (19.21 oz) | 6200.0 g (218.70 oz) |
| 食性 | Eats molluscs, crustaceans, and aquatic invertebrates; dives in shallow coastal water; diet dominated by hard-shelled … | Aquatic vegetation and algae, supplemented with grain and pasture grasses. Feeds by upending in shallow … |
| 一腹卵数 | 5-12 | 4-6 |
| 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.
Black Swan
Lakes, rivers, swamps, and coastal waters across Australia. Also found in ornamental lakes in parks.
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.
Black Swan
Gives a musical bugling 'boo-boo-boo' in flight and softer honking on water. Less vocal than Mute Swan; produces a baying call when alarmed. Wings whistle softly 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.
Black Swan
Australia, primarily in the southeast and southwest. Introduced populations in New Zealand, Japan, and western Europe.
保全状況
White-cheeked Pintail
Black 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 …
Black Swan
Almost entirely black with white flight feathers visible in flight. Red bill with a white band near the tip. Dark red to reddish-brown iris.
Bright red bill with a pale tip and prominent white band
About These Birds
White-cheeked Pintail
バハマピンテールはカリブ海諸島、南米北部、ガラパゴス諸島などに分布するカモです。赤色と青色の嘴基部が特徴的です。淡水と汽水域の両方に適応しており、マングローブの湿地や干潟にも生息します。種子、水草、無脊椎動物を採食します。
Black Swan
コクチョウはかつてすべての白鳥は白いと信じていたヨーロッパ人に不可能と考えられており、帰納的推論の失敗の有名な哲学的な例となっている。西オーストラリア州の州の鳥。コクチョウは生涯続く番いの絆を形成し、両親が共同で抱卵と雛の世話を行う。