Black Swan vs Peregrine Falcon
Cygnus atratus 比較対象 Falco peregrinus
Side-by-Side Comparison
| 属性 | Black Swan | Peregrine Falcon |
|---|---|---|
| 学名 | Cygnus atratus | Falco peregrinus |
| 目 | Anseriformes | Falconiformes |
| 科 | Anatidae | Falconidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | 130.0 cm (51.2 in) | 43.0 cm (16.9 in) |
| 翼開長 | 190.0 cm (74.8 in) | 104.0 cm (40.9 in) |
| 体重 | 6200.0 g (218.70 oz) | 750.0 g (26.46 oz) |
| 食性 | Aquatic vegetation and algae, supplemented with grain and pasture grasses. Feeds by upending in shallow … | Almost exclusively medium-sized birds caught in flight, including pigeons, doves, waterfowl, and songbirds. Hunts with … |
| 一腹卵数 | 4-6 | 2-4 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Black Swan
Lakes, rivers, swamps, and coastal waters across Australia. Also found in ornamental lakes in parks.
Peregrine Falcon
Diverse habitats from tundra to tropics, typically near cliffs or tall structures. Increasingly found in cities nesting on skyscrapers and bridges.
Song & Call Comparison
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.
Peregrine Falcon
A harsh, wailing 'kak-kak-kak-kak' repeated rapidly in defense of the nest. Alarm call is a long screaming 'raaak'. Mostly silent away from breeding sites.
Geographic Range & Migration
Black Swan
Australia, primarily in the southeast and southwest. Introduced populations in New Zealand, Japan, and western Europe.
Peregrine Falcon
One of the most widespread birds, found on every continent except Antarctica. Migratory populations travel vast distances between breeding and wintering grounds.
保全状況
Black Swan
Peregrine Falcon
How to Tell Them Apart
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
Peregrine Falcon
Blue-grey upperparts with barred white underparts. A distinctive black moustachial stripe contrasts with the white throat and cheeks.
Short, notched blue-grey bill with a yellow cere
About These Birds
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。
Peregrine Falcon
世界最速の動物として知られるハヤブサで、急降下時には時速320キロメートルを超えることがある。南極を除く全大陸に生息し、都市部での繁殖も増加している。