American Robin vs Bismarck Island Thrush
Turdus migratorius 比較対象 Turdus heinrothi
Side-by-Side Comparison
| 属性 | American Robin | Bismarck Island Thrush |
|---|---|---|
| 学名 | Turdus migratorius | Turdus heinrothi |
| 目 | Passeriformes | Passeriformes |
| 科 | Turdidae | Turdidae |
| 保全状況 | Least Concern | Not Evaluated |
| 体長 | 25.0 cm (9.8 in) | — |
| 翼開長 | 36.0 cm (14.2 in) | — |
| 体重 | 77.0 g (2.72 oz) | 57.5 g (2.03 oz) |
| 食性 | Earthworms, insects, and fruit. Famously hunts earthworms on lawns by running, stopping, and tilting its … | -- |
| 一腹卵数 | 2-4 | 1-3 |
| 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.
Bismarck Island 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.
Bismarck Island Thrush
保全状況
American Robin
Bismarck Island 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
Bismarck Island 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。
Bismarck Island Thrush
The Bismarck Island Thrush is a thrush endemic to the Bismarck Archipelago, particularly New Britain and Bougainville. It has warm brown plumage typical of island thrushes in the Turdus genus. It forages on the forest floor and in trees for earthworms, fruits, berries, and invertebrates.