Common Kestrel vs American Kestrel
Falco tinnunculus 比較対象 Falco sparverius
Side-by-Side Comparison
| 属性 | Common Kestrel | American Kestrel |
|---|---|---|
| 学名 | Falco tinnunculus | Falco sparverius |
| 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) | 36.5 cm (14.4 in) |
| 体重 | 190.0 g (6.70 oz) | 119.33333333333333 g (4.21 oz) |
| 食性 | Primarily voles and mice, also lizards, large insects, and small birds. Hunts by hovering at … | -- |
| 一腹卵数 | 1-7 | 1-7 |
| Population Trend | — | — |
Size Comparison
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
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.
American Kestrel
Geographic Range & Migration
Common Kestrel
Europe, Asia, and Africa. One of the most common and widespread raptors in the Old World.
American Kestrel
保全状況
Common Kestrel
American Kestrel
How to Tell Them Apart
Common Kestrel
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.
Short, hooked grey bill with a yellow cere
American 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。
American Kestrel
北米・中南米に広く分布する最小のハヤブサ（体長19〜21cm）。雄は青灰色の翼と赤褐色の背・尾が美しい。Falco sparverius（アメリカチョウゲンボウ）は北米で最も普通に見られる猛禽類の一つで、電線に止まってネズミや大型昆虫を探す姿がよく見られる。Falconidae科。