American Robin vs Bismarck Island Thrush
Turdus migratorius 对比 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 |
| 保护状况 | Least Concern | Not Evaluated |
| 体长 | 25.0 cm (9.8 in) | — |
| 翼展 | 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 … | -- |
| 产卵数 | 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
保护状况
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
美洲鸫（学名Turdus migratorius）被广泛视为北美春天的使者。尽管名为"知更鸟"（robin），实为鸫科（Turdidae）成员，与欧洲知更鸟无近缘关系。雄鸟胸部橙红色，头部黑色，体长约25厘米。食蚯蚓和浆果，常见于草坪和公园。
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.