Common Kestrel vs Gyrfalcon
Falco tinnunculus 比較対象 Falco rusticolus
Side-by-Side Comparison
| 属性 | Common Kestrel | Gyrfalcon |
|---|---|---|
| 学名 | Falco tinnunculus | Falco rusticolus |
| 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) | 73.6 cm (29.0 in) |
| 体重 | 190.0 g (6.70 oz) | 1325.0 g (46.74 oz) |
| 食性 | Primarily voles and mice, also lizards, large insects, and small birds. Hunts by hovering at … | -- |
| 一腹卵数 | 1-7 | 2-7 |
| Population Trend | — | — |
Size Comparison
Body Length
Common Kestrel
34.0 cm
Gyrfalcon
—
翼開長
Common Kestrel
74.0 cm
Gyrfalcon
73.6 cm
体重
Common Kestrel
190.0 g
Gyrfalcon
1325.0 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.
Gyrfalcon
Geographic Range & Migration
Common Kestrel
Europe, Asia, and Africa. One of the most common and widespread raptors in the Old World.
Gyrfalcon
保全状況
Least Concern
Common Kestrel
Least Concern
Gyrfalcon
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
Gyrfalcon
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。