Common Kestrel vs Grey Kestrel
Falco tinnunculus 比較対象 Falco ardosiaceus
Side-by-Side Comparison
| 属性 | Common Kestrel | Grey Kestrel |
|---|---|---|
| 学名 | Falco tinnunculus | Falco ardosiaceus |
| 目 | Falconiformes | Falconiformes |
| 科 | Falconidae | Falconidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | 34.0 cm (13.4 in) | — |
| 翼開長 | 74.0 cm (29.1 in) | 45.8 cm (18.0 in) |
| 体重 | 190.0 g (6.70 oz) | 238.75 g (8.42 oz) |
| 食性 | Primarily voles and mice, also lizards, large insects, and small birds. Hunts by hovering at … | -- |
| 一腹卵数 | 1-7 | 2-5 |
| Population Trend | — | — |
Size Comparison
Body Length
Common Kestrel
34.0 cm
Grey Kestrel
—
翼開長
Common Kestrel
74.0 cm
Grey Kestrel
45.8 cm
体重
Common Kestrel
190.0 g
Grey Kestrel
238.75 g
Habitat Comparison
Common Kestrel
Open country including farmland, grasslands, moorland, and urban areas. Common along motorways and in cities across Europe.
Song & Call Comparison
Common Kestrel
さえずり
A shrill, repeated 'kee-kee-kee-kee' or 'kik-ik-ik', especially near nest. Alarm call is a nasal chattering. Generally less vocal than larger falcons. Calls ring clearly in open country.
Grey Kestrel
Geographic Range & Migration
Common Kestrel
Europe, Asia, and Africa. One of the most common and widespread raptors in the Old World.
Grey Kestrel
保全状況
Least Concern
Common Kestrel
Least Concern
Grey Kestrel
How to Tell Them Apart
Common Kestrel
羽毛
Males have a blue-grey head and tail with a rufous back spotted with black. Females are rufous-brown with heavy barring. Both have a dark moustachial stripe.
くちばし
Short, hooked grey bill with a yellow cere
Grey Kestrel
About These Birds
Common Kestrel
チョウゲンボウ（Falco tinnunculus）— ヨーロッパからアジア、アフリカに広く分布する小型のハヤブサ。ホバリングしながら地上の獲物を探す行動が特徴。