Common Kestrel vs European Roller

Falco tinnunculus 比較対象 Coracias garrulus

{# ════════════════════════════════════════════════════════════════════════ Side-by-side Comparison Table ════════════════════════════════════════════════════════════════════════ #}

Side-by-Side Comparison

属性 Common Kestrel European Roller
学名 Falco tinnunculus Coracias garrulus
Falconiformes Coraciiformes
Falconidae Coraciidae
保全状況 Least Concern Least Concern
体長 34.0 cm (13.4 in) 31.0 cm (12.2 in)
翼開長 74.0 cm (29.1 in) 66.0 cm (26.0 in)
体重 190.0 g (6.70 oz) 130.0 g (4.59 oz)
食性 Primarily voles and mice, also lizards, large insects, and small birds. Hunts by hovering at … Large insects, especially beetles, grasshoppers, and crickets. Also takes small reptiles, frogs, and scorpions. Hunts …
一腹卵数 1-7 3-6
Population Trend
{# ════════════════════════════════════════════════════════════════════════ Visual Size Comparison ════════════════════════════════════════════════════════════════════════ #}

Size Comparison

Body Length
Common Kestrel 34.0 cm
European Roller 31.0 cm
翼開長
Common Kestrel 74.0 cm
European Roller 66.0 cm
体重
Common Kestrel 190.0 g
European Roller 130.0 g
{# ════════════════════════════════════════════════════════════════════════ Habitat Comparison ════════════════════════════════════════════════════════════════════════ #}

Habitat Comparison

共通生息地

None

Common Kestrel only

European Roller only

Common Kestrel

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

European Roller

Warm, dry, open country with scattered trees and nest holes. Breeds in tree cavities, earth banks, and nest boxes.

{# ════════════════════════════════════════════════════════════════════════ Song & Call Comparison ════════════════════════════════════════════════════════════════════════ #}

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.

European Roller

さえずり

A harsh, grating 'rack-rack' or 'quarrk' in flight. Gives a variety of sharp nasal calls at the nest. Not melodic; primary vocalizations are alarm and contact calls.

{# ════════════════════════════════════════════════════════════════════════ Geographic Range & Migration ════════════════════════════════════════════════════════════════════════ #}

Geographic Range & Migration

Common Kestrel

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

European Roller

Southern and eastern Europe, Central Asia, and North Africa. Winters in sub-Saharan Africa.

{# ════════════════════════════════════════════════════════════════════════ Conservation Status Comparison ════════════════════════════════════════════════════════════════════════ #}

保全状況

Least Concern

Common Kestrel

Least Concern

European Roller

{# ════════════════════════════════════════════════════════════════════════ Identification Tips — How to Tell Them Apart ════════════════════════════════════════════════════════════════════════ #}

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

European Roller

羽毛

Turquoise-blue head, breast, and tail. Chestnut-brown back. Vivid ultramarine blue and black wing patches visible in flight.

くちばし

Short, stout, dark hooked bill

{# ════════════════════════════════════════════════════════════════════════ About Each Bird (Descriptions) ════════════════════════════════════════════════════════════════════════ #}

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。

European Roller

ヨーロッパで最も色彩豊かな鳥の一つで、求愛時にローリングと呼ばれる独特の空中飛翔を行う。

{# ════════════════════════════════════════════════════════════════════════ Related Comparisons ════════════════════════════════════════════════════════════════════════ #}

Related Comparisons

{# ════════════════════════════════════════════════════════════════════════ More Birds in Family ════════════════════════════════════════════════════════════════════════ #}

More Birds to Explore

Explore the Nature FYI Family