Barn Owl vs Common Kestrel
Tyto alba 比較対象 Falco tinnunculus
Side-by-Side Comparison
| 属性 | Barn Owl | Common Kestrel |
|---|---|---|
| 学名 | Tyto alba | Falco tinnunculus |
| 目 | Strigiformes | Falconiformes |
| 科 | Tytonidae | Falconidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | 35.0 cm (13.8 in) | 34.0 cm (13.4 in) |
| 翼開長 | 90.0 cm (35.4 in) | 74.0 cm (29.1 in) |
| 体重 | 350.0 g (12.35 oz) | 190.0 g (6.70 oz) |
| 食性 | Almost exclusively small mammals, especially voles and mice. Hunts using extraordinary hearing to locate prey … | Primarily voles and mice, also lizards, large insects, and small birds. Hunts by hovering at … |
| 一腹卵数 | 2-16 | 1-7 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Barn Owl
Open farmland, grasslands, and marshes. Nests in barns, church steeples, tree cavities, and purpose-built nest boxes.
Common Kestrel
Open country including farmland, grasslands, moorland, and urban areas. Common along motorways and in cities across Europe.
Song & Call Comparison
Barn Owl
An eerie, drawn-out rasping shriek 'shreeeeee' — not a hoot. Also gives hissing, snoring, and bill-snapping when disturbed. Chicks call with a persistent rasping hunger call.
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.
Geographic Range & Migration
Barn Owl
The most widespread owl and one of the most widespread land birds, found on every continent except Antarctica.
Common Kestrel
Europe, Asia, and Africa. One of the most common and widespread raptors in the Old World.
保全状況
Barn Owl
Common Kestrel
How to Tell Them Apart
Barn Owl
Pale golden-buff upperparts with delicate grey mottling. Pure white heart-shaped face and white to pale buff underparts. Ghostly white appearance in flight.
Pale pinkish hooked bill nearly concealed by the facial disc
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
About These Birds
Barn Owl
メンフクロウはあらゆるフクロウの中で最も非対称な耳を持ち、動物界最高の聴覚的方向定位能力を誇る。完全な暗闇の中でも音だけで獲物を捕まえることができる。特徴的なハート形の顔は放物線状の皿として機能し、ずれた両耳に音を集める。
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。