Common Kestrel vs Common Ostrich
Falco tinnunculus 对比 Struthio camelus
Side-by-Side Comparison
| 属性 | Common Kestrel | Common Ostrich |
|---|---|---|
| 学名 | Falco tinnunculus | Struthio camelus |
| 目 | Falconiformes | Struthioniformes |
| 科 | Falconidae | Struthionidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | 34.0 cm (13.4 in) | 210.0 cm (82.7 in) |
| 翼展 | 74.0 cm (29.1 in) | 200.0 cm (78.7 in) |
| 体重 | 190.0 g (6.70 oz) | 100000.0 g (3527.40 oz) |
| 食性 | Primarily voles and mice, also lizards, large insects, and small birds. Hunts by hovering at … | Omnivorous — plants, seeds, roots, flowers, insects, and small vertebrates. Swallows pebbles to aid digestion … |
| 产卵数 | 1-7 | 2-11 |
| 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.
Common Ostrich
Open arid and semi-arid habitats including savannas, Sahel, and dry woodlands across Africa.
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.
Common Ostrich
Male produces a surprisingly deep, resonant booming roar — remarkably lion-like. Also gives whistling and hissing sounds. Females and chicks emit softer grunts and squeaks.
Geographic Range & Migration
Common Kestrel
Europe, Asia, and Africa. One of the most common and widespread raptors in the Old World.
Common Ostrich
Sub-Saharan Africa. Formerly also found in the Middle East and parts of Asia. Farmed worldwide.
保护状况
Common Kestrel
Common Ostrich
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
Common Ostrich
Males have black body plumage with white wing and tail feathers. Females and immatures are grey-brown. Bare skin on the neck and thighs varies from pink to blue.
Broad, flat bill adapted for an omnivorous diet
About These Birds
Common Kestrel
红隼（Falco tinnunculus）— 广泛分布于欧洲、亚洲和非洲的小型隼。以悬停空中寻觅地面猎物的行为为特征。
Common Ostrich
非洲鸵鸟（Struthio camelus）— 世界上最大的鸟，栖息于非洲草原。虽然不能飞翔，但奔跑速度可达每小时70公里，产下世界上最大的蛋。