European Roller vs Azure Dollarbird
Coracias garrulus 比較対象 Eurystomus azureus
Side-by-Side Comparison
| 属性 | European Roller | Azure Dollarbird |
|---|---|---|
| 学名 | Coracias garrulus | Eurystomus azureus |
| 目 | Coraciiformes | Coraciiformes |
| 科 | Coraciidae | Coraciidae |
| 保全状況 | Least Concern | Near Threatened |
| 体長 | 31.0 cm (12.2 in) | — |
| 翼開長 | 66.0 cm (26.0 in) | 38.0 cm (15.0 in) |
| 体重 | 130.0 g (4.59 oz) | 122.8 g (4.33 oz) |
| 食性 | Large insects, especially beetles, grasshoppers, and crickets. Also takes small reptiles, frogs, and scorpions. Hunts … | -- |
| 一腹卵数 | 3-6 | -- |
| Population Trend | — | — |
Size Comparison
Body Length
European Roller
31.0 cm
Azure Dollarbird
—
翼開長
European Roller
66.0 cm
Azure Dollarbird
38.0 cm
体重
European Roller
130.0 g
Azure Dollarbird
122.8 g
Habitat Comparison
European Roller
Warm, dry, open country with scattered trees and nest holes. Breeds in tree cavities, earth banks, and nest boxes.
Song & Call Comparison
European Roller
さえずり
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.
Azure Dollarbird
Geographic Range & Migration
European Roller
Southern and eastern Europe, Central Asia, and North Africa. Winters in sub-Saharan Africa.
Azure Dollarbird
保全状況
Least Concern
European Roller
Near Threatened
Azure Dollarbird
How to Tell Them Apart
European Roller
羽毛
Turquoise-blue head, breast, and tail. Chestnut-brown back. Vivid ultramarine blue and black wing patches visible in flight.
くちばし
Short, stout, dark hooked bill
Azure Dollarbird
About These Birds
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。
Azure Dollarbird
北マルク諸島に生息するアジュールローラーで、体重122.8g。準絶滅危惧種に指定されている。