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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	—	—

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Size Comparison

Body Length

Common Kestrel 34.0 cm

American Kestrel —

翼開長

Common Kestrel 74.0 cm

American Kestrel 36.5 cm

体重

Common Kestrel 190.0 g

American Kestrel 119.33333333333333 g

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Habitat Comparison

共通生息地

🌾 Grassland

Common Kestrel only

🌿 Wetland 🏖️ Coastal

American Kestrel only

🌲 Forest

Common Kestrel

Open country including farmland, grasslands, moorland, and urban areas. Common along motorways and in cities across Europe.

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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.

American Kestrel

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Geographic Range & Migration

Common Kestrel

Europe, Asia, and Africa. One of the most common and widespread raptors in the Old World.

American Kestrel

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保全状況

Least Concern

Common Kestrel

Least Concern

American Kestrel

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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

American Kestrel

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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。

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Related Comparisons

Peregrine Falcon vs Common Kestrel

same-family

Resplendent Quetzal vs Common Kestrel

look-alike

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