Belted Kingfisher vs Black Swan
Megaceryle alcyon 比較対象 Cygnus atratus
Side-by-Side Comparison
| 属性 | Belted Kingfisher | Black Swan |
|---|---|---|
| 学名 | Megaceryle alcyon | Cygnus atratus |
| 目 | Coraciiformes | Anseriformes |
| 科 | Alcedinidae | Anatidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | 33.0 cm (13.0 in) | 130.0 cm (51.2 in) |
| 翼開長 | 53.0 cm (20.9 in) | 190.0 cm (74.8 in) |
| 体重 | 150.0 g (5.29 oz) | 6200.0 g (218.70 oz) |
| 食性 | Primarily small fish caught by plunge-diving from a perch or hover. Also takes crayfish, frogs, … | Aquatic vegetation and algae, supplemented with grain and pasture grasses. Feeds by upending in shallow … |
| 一腹卵数 | 6-7 | 4-6 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Belted Kingfisher
Rivers, streams, lakes, ponds, estuaries, and coastlines with clear water and suitable perches. Nests in burrows dug into earthen banks.
Black Swan
Lakes, rivers, swamps, and coastal waters across Australia. Also found in ornamental lakes in parks.
Song & Call Comparison
Belted Kingfisher
A loud, rattling 'klee-klee-klee-klee' — mechanical and penetrating. Given in flight along rivers. Also a harsh 'kekekek' near nest. Far louder than Common Kingfisher.
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
Belted Kingfisher
North America from Alaska and Canada to Central America and the Caribbean. Northern populations migrate south in winter.
Black Swan
Australia, primarily in the southeast and southwest. Introduced populations in New Zealand, Japan, and western Europe.
保全状況
Belted Kingfisher
Black Swan
How to Tell Them Apart
Belted Kingfisher
Blue-grey upperparts with a shaggy crest and a white collar. Males have a single blue-grey breast band; females have an additional rufous belly band.
Long, heavy, straight, dark dagger-like bill
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
Belted Kingfisher
ミヤマカワセミは雌の方が雄よりも派手な色彩を持つという点でユニークで、赤褐色の腹帯が余分に加わっている。これらの騒々しい鳥は独特のガラガラとした鳴き声で縄張りを宣言する。重厚な嘴を使って河岸に最大2.4mもの深さの営巣穴を掘る。
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。