Common Blackbird vs Eastern Bluebird
Turdus merula 比較対象 Sialia sialis
Side-by-Side Comparison
| 属性 | Common Blackbird | Eastern Bluebird |
|---|---|---|
| 学名 | Turdus merula | Sialia sialis |
| 目 | Passeriformes | Passeriformes |
| 科 | Turdidae | Turdidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | 25.0 cm (9.8 in) | 17.5 cm (6.9 in) |
| 翼開長 | 36.0 cm (14.2 in) | 27.0 cm (10.6 in) |
| 体重 | 100.0 g (3.53 oz) | 31.0 g (1.09 oz) |
| 食性 | Earthworms, insects, berries, and fruit. Forages on the ground, turning over leaf litter. Famously pulls … | Insects in summer, berries in winter. Hunts from low perches, dropping to the ground to … |
| 一腹卵数 | 3-5 | 4-5 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Common Blackbird
Woodland, hedgerows, gardens, and parks. One of the most common garden birds across Europe.
Eastern Bluebird
Open woodland, farmland edges, orchards, and parks with scattered trees and open ground. Readily uses nest boxes.
Song & Call Comparison
Common Blackbird
Arguably Britain's finest songster: rich, flute-like phrases with deep, mellow quality. Sings persistently at dusk. Alarm is a sharp 'chook-chook'. Song includes liquid 'pew' notes.
Eastern Bluebird
A rich, melodious warbled 'chur-wi, tur-a-lee' song. Both sexes sing. Call is a soft, musical 'turee'. Song is gentle and flute-like, suggesting a small thrush. Given from exposed perch.
Geographic Range & Migration
Common Blackbird
Europe, Asia, and North Africa. Introduced to Australia and New Zealand. Northern populations are migratory.
Eastern Bluebird
Eastern North America from southern Canada to Honduras and Nicaragua. Partially migratory.
保全状況
Common Blackbird
Eastern Bluebird
How to Tell Them Apart
Common Blackbird
Males are jet black with a bright yellow-orange bill and eye-ring. Females are dark brown with mottled underparts and a dull yellowish bill.
Bright yellow-orange bill in males, dull brownish in females
Eastern Bluebird
Males are vivid royal blue above with a rusty-red breast and white belly. Females are grey-blue with a paler rust breast.
Short, thin, dark bill
About These Birds
Common Blackbird
クロウタドリ（Turdus merula）— ヨーロッパに広く分布するツグミ科の鳥。オスは全身黒く黄色い嘴をもち、メスは茶色。庭園や森林に生息し、美しい歌声をもつ。
Eastern Bluebird
北米に生息するヒタキで、青い上面とオレンジ色の胸を持つ。巣箱の設置プログラムにより個体数が回復した。