Russet-backed Thrush vs Common Blackbird
Catharus ustulatus 比較対象 Turdus merula
Side-by-Side Comparison
| 属性 | Russet-backed Thrush | Common Blackbird |
|---|---|---|
| 学名 | Catharus ustulatus | Turdus merula |
| 目 | Passeriformes | Passeriformes |
| 科 | Turdidae | Turdidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | 25.0 cm (9.8 in) |
| 翼開長 | 19.4 cm (7.6 in) | 36.0 cm (14.2 in) |
| 体重 | 34.05 g (1.20 oz) | 100.0 g (3.53 oz) |
| 食性 | -- | Earthworms, insects, berries, and fruit. Forages on the ground, turning over leaf litter. Famously pulls … |
| 一腹卵数 | 1-5 | 3-5 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Common Blackbird
Woodland, hedgerows, gardens, and parks. One of the most common garden birds across Europe.
Song & Call Comparison
Russet-backed Thrush
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.
Geographic Range & Migration
Russet-backed Thrush
Common Blackbird
Europe, Asia, and North Africa. Introduced to Australia and New Zealand. Northern populations are migratory.
保全状況
Russet-backed Thrush
Common Blackbird
How to Tell Them Apart
Russet-backed Thrush
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
About These Birds
Russet-backed Thrush
北米で繁殖し、中南米で越冬するツグミ(体長15〜17cm)。オリーブ褐色の上面と斑点のある胸が特徴。Catharus ustulatus(スウェインソンツグミ)は複雑で美しい鳴き声を持ち、夜間に渡りをする渡り鳥。高い声で上昇するスパイラルの歌声は野鳥ファンの間で特に愛されている。Turdidae科。
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。