Belted Kingfisher vs Raggiana Bird-of-paradise
Megaceryle alcyon 比較対象 Paradisaea raggiana
Side-by-Side Comparison
| 属性 | Belted Kingfisher | Raggiana Bird-of-paradise |
|---|---|---|
| 学名 | Megaceryle alcyon | Paradisaea raggiana |
| 目 | Coraciiformes | Passeriformes |
| 科 | Alcedinidae | Paradisaeidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | 33.0 cm (13.0 in) | 34.0 cm (13.4 in) |
| 翼開長 | 53.0 cm (20.9 in) | 45.0 cm (17.7 in) |
| 体重 | 150.0 g (5.29 oz) | 260.0 g (9.17 oz) |
| 食性 | Primarily small fish caught by plunge-diving from a perch or hover. Also takes crayfish, frogs, … | Fruit, seeds, arthropods, and small vertebrates. Males display at communal lek sites to attract females. |
| 一腹卵数 | 6-7 | 1-2 |
| 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.
Raggiana Bird-of-paradise
Tropical rainforest and forest edge from lowlands to mid-montane elevations in New Guinea.
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.
Raggiana Bird-of-paradise
Males emit harsh, buzzy 'kraaak' calls and explosive wailing during display. Females give softer 'waak' contact calls. Display calls are loud and chaotic at leks.
Geographic Range & Migration
Belted Kingfisher
North America from Alaska and Canada to Central America and the Caribbean. Northern populations migrate south in winter.
Raggiana Bird-of-paradise
Southern and eastern New Guinea. Endemic to Papua New Guinea.
保全状況
Belted Kingfisher
Raggiana Bird-of-paradise
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
Raggiana Bird-of-paradise
Males have a yellow crown, emerald-green throat, and spectacular cascading orange-red flank plumes. Females are brown with rufous underparts.
Stout, slightly curved, blue-grey bill
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。
Raggiana Bird-of-paradise
The raggiana bird-of-paradise is the national bird of Papua New Guinea, featured on the national flag and coat of arms. Males gather at traditional display trees to perform elaborate courtship dances, hanging upside down and shaking their spectacular flank plumes. Alfred Russel Wallace first described the species in 1873.