Belted Kingfisher vs European Roller
Megaceryle alcyon 比較対象 Coracias garrulus
Side-by-Side Comparison
| 属性 | Belted Kingfisher | European Roller |
|---|---|---|
| 学名 | Megaceryle alcyon | Coracias garrulus |
| 目 | Coraciiformes | Coraciiformes |
| 科 | Alcedinidae | Coraciidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | 33.0 cm (13.0 in) | 31.0 cm (12.2 in) |
| 翼開長 | 53.0 cm (20.9 in) | 66.0 cm (26.0 in) |
| 体重 | 150.0 g (5.29 oz) | 130.0 g (4.59 oz) |
| 食性 | Primarily small fish caught by plunge-diving from a perch or hover. Also takes crayfish, frogs, … | Large insects, especially beetles, grasshoppers, and crickets. Also takes small reptiles, frogs, and scorpions. Hunts … |
| 一腹卵数 | 6-7 | 3-6 |
| 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.
European Roller
Warm, dry, open country with scattered trees and nest holes. Breeds in tree cavities, earth banks, and nest boxes.
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.
European Roller
A harsh, grating 'rack-rack' or 'quarrk' in flight. Gives a variety of sharp nasal calls at the nest. Not melodic; primary vocalizations are alarm and contact calls.
Geographic Range & Migration
Belted Kingfisher
North America from Alaska and Canada to Central America and the Caribbean. Northern populations migrate south in winter.
European Roller
Southern and eastern Europe, Central Asia, and North Africa. Winters in sub-Saharan Africa.
保全状況
Belted Kingfisher
European Roller
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
European Roller
Turquoise-blue head, breast, and tail. Chestnut-brown back. Vivid ultramarine blue and black wing patches visible in flight.
Short, stout, dark hooked bill
Key Differences
- • Weight: Belted Kingfisher (150g) vs European Roller (130g)
- • Length: Belted Kingfisher (33 cm) vs European Roller (31 cm)
- • Wingspan: Belted Kingfisher (53 cm) vs European Roller (66 cm)
- • Family: Belted Kingfisher (Alcedinidae) vs European Roller (Coraciidae)
- • Habitat: Belted Kingfisher prefers Rivers, streams, lakes, ponds, estuaries, and coastlines wit; European Roller prefers Warm, dry, open country with scattered trees and nest holes
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。
European Roller
ヨーロッパで最も色彩豊かな鳥の一つで、求愛時にローリングと呼ばれる独特の空中飛翔を行う。