European Roller vs Blue-throated Roller
Coracias garrulus 对比 Eurystomus gularis
Side-by-Side Comparison
| 属性 | European Roller | Blue-throated Roller |
|---|---|---|
| 学名 | Coracias garrulus | Eurystomus gularis |
| 目 | Coraciiformes | Coraciiformes |
| 科 | Coraciidae | Coraciidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | 31.0 cm (12.2 in) | — |
| 翼展 | 66.0 cm (26.0 in) | 29.7 cm (11.7 in) |
| 体重 | 130.0 g (4.59 oz) | 97.91666666666667 g (3.45 oz) |
| 食性 | Large insects, especially beetles, grasshoppers, and crickets. Also takes small reptiles, frogs, and scorpions. Hunts … | -- |
| 产卵数 | 3-6 | 2-3 |
| Population Trend | — | — |
Size Comparison
Body Length
European Roller
31.0 cm
Blue-throated Roller
—
翼展
European Roller
66.0 cm
Blue-throated Roller
29.7 cm
体重
European Roller
130.0 g
Blue-throated Roller
97.91666666666667 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
鸣唱
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.
Blue-throated Roller
Geographic Range & Migration
European Roller
Southern and eastern Europe, Central Asia, and North Africa. Winters in sub-Saharan Africa.
Blue-throated Roller
保护状况
Least Concern
European Roller
Least Concern
Blue-throated Roller
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.
喙
Short, stout, dark hooked bill
Blue-throated Roller
About These Birds
European Roller
因求偶时的翻滚飞行而得名。欧洲唯一的佛法僧科鸟类。种群数量下降。