American Robin vs Raggiana Bird-of-paradise
Turdus migratorius 对比 Paradisaea raggiana
Side-by-Side Comparison
| 属性 | American Robin | Raggiana Bird-of-paradise |
|---|---|---|
| 学名 | Turdus migratorius | Paradisaea raggiana |
| 目 | Passeriformes | Passeriformes |
| 科 | Turdidae | Paradisaeidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | 25.0 cm (9.8 in) | 34.0 cm (13.4 in) |
| 翼展 | 36.0 cm (14.2 in) | 45.0 cm (17.7 in) |
| 体重 | 77.0 g (2.72 oz) | 260.0 g (9.17 oz) |
| 食性 | Earthworms, insects, and fruit. Famously hunts earthworms on lawns by running, stopping, and tilting its … | Fruit, seeds, arthropods, and small vertebrates. Males display at communal lek sites to attract females. |
| 产卵数 | 2-4 | 1-2 |
| 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.
Raggiana Bird-of-paradise
Tropical rainforest and forest edge from lowlands to mid-montane elevations in New Guinea.
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.
Raggiana Bird-of-paradise
Males emit harsh, buzzy 'kraaak' calls and explosive wailing during display. Females give softer 'waak' contact calls. Display calls are loud and chaotic at leks.
Geographic Range & Migration
American Robin
North America from Alaska and Canada to Mexico. Northern populations migrate south in winter; southern populations are largely resident.
Raggiana Bird-of-paradise
Southern and eastern New Guinea. Endemic to Papua New Guinea.
保护状况
American Robin
Raggiana Bird-of-paradise
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
Raggiana Bird-of-paradise
Males have a yellow crown, emerald-green throat, and spectacular cascading orange-red flank plumes. Females are brown with rufous underparts.
Stout, slightly curved, blue-grey bill
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。
Raggiana Bird-of-paradise
The raggiana bird-of-paradise is the national bird of Papua New Guinea, featured on the national flag and coat of arms. Males gather at traditional display trees to perform elaborate courtship dances, hanging upside down and shaking their spectacular flank plumes. Alfred Russel Wallace first described the species in 1873.