American Robin vs Common Kingfisher
Turdus migratorius 对比 Alcedo atthis
Side-by-Side Comparison
| 属性 | American Robin | Common Kingfisher |
|---|---|---|
| 学名 | Turdus migratorius | Alcedo atthis |
| 目 | Passeriformes | Coraciiformes |
| 科 | Turdidae | Alcedinidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | 25.0 cm (9.8 in) | 17.0 cm (6.7 in) |
| 翼展 | 36.0 cm (14.2 in) | 25.0 cm (9.8 in) |
| 体重 | 77.0 g (2.72 oz) | 36.0 g (1.27 oz) |
| 食性 | Earthworms, insects, and fruit. Famously hunts earthworms on lawns by running, stopping, and tilting its … | Small fish, aquatic insects, and crustaceans. Hunts from a low perch over water, diving headfirst … |
| 产卵数 | 2-4 | 3-10 |
| 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.
Common Kingfisher
Clear, slow-flowing rivers, streams, lakes, and ponds with suitable perching and nesting banks. Requires clean water with good fish populations.
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.
Common Kingfisher
A sharp, penetrating 'chee' whistle given in flight, often the first indication of its presence. Short, shrill single note as it darts low over rivers. Contact call is a rippling …
Geographic Range & Migration
American Robin
North America from Alaska and Canada to Mexico. Northern populations migrate south in winter; southern populations are largely resident.
Common Kingfisher
Widespread across Europe, Asia, and North Africa. Northern populations migrate south in winter.
保护状况
American Robin
Common Kingfisher
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
Common Kingfisher
Brilliant electric blue upperparts and orange underparts. Blue-green crown with darker barring. White throat patch and cheek spots. A flash of blue in flight.
Long, straight, dagger-like dark bill — orange base on the lower mandible in females
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。
Common Kingfisher
普通翠鸟（Alcedo atthis）— 广泛分布于欧亚大陆和非洲的亮蓝橙色鸟类。栖息于溪流和池塘旁，以鱼类为食。