American Robin vs Black-billed Thrush
Turdus migratorius 比較対象 Turdus ignobilis
Side-by-Side Comparison
| 属性 | American Robin | Black-billed Thrush |
|---|---|---|
| 学名 | Turdus migratorius | Turdus ignobilis |
| 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 | 36.0 cm (14.2 in) | 22.1 cm (8.7 in) |
| 体重 | 77.0 g (2.72 oz) | 64.71666666666667 g (2.28 oz) |
| 食性 | Earthworms, insects, and fruit. Famously hunts earthworms on lawns by running, stopping, and tilting its … | -- |
| 一腹卵数 | 2-4 | 2 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
American Robin
Lawns, parks, gardens, farmland, and forest edges. One of the most familiar birds in suburban North America.
Song & Call Comparison
American Robin
A clear, caroling song of 2-3 note phrases: 'cheerily, cheer-up, cheerio'. Sings from dawn perches. Sharp 'tut-tut-tut' alarm call and thin 'seeee' flight note.
Black-billed Thrush
Geographic Range & Migration
American Robin
North America from Alaska and Canada to Mexico. Northern populations migrate south in winter; southern populations are largely resident.
Black-billed Thrush
保全状況
American Robin
Black-billed Thrush
How to Tell Them Apart
American Robin
Dark grey-brown upperparts with a warm brick-red breast and belly. White eye-ring and streaked white throat. Female slightly paler.
Bright yellow bill with a dark tip
Black-billed Thrush
About These Birds
American Robin
北米全域に分布し、春の訪れを告げる鳥として知られるツグミ（体長23〜28cm）。オレンジ色の腹と黒い頭部が特徴的。Turdus migratorius（アメリカコマツグミ）は北米最も親しまれた野鳥の一つで、芝生でミミズを引き抜く姿が日常風景として親しまれている。連邦政府と各州で厳重に保護されており、3州の州鳥に指定されている。Turdidae科。
Black-billed Thrush
The Black-billed Thrush is a medium-sized, plain thrush widely distributed across northern and central South America from Colombia and Venezuela south to Bolivia and Brazil. It has olive-brown upperparts, streaked brownish-white underparts, and a distinctive dark bill. It inhabits forest edges, secondary growth, gardens, and open woodland, feeding on earthworms, insects, and berries.