Brown-backed Needletail vs Chestnut-collared Swift
Hirundapus giganteus 对比 Streptoprocne rutila
Side-by-Side Comparison
| 属性 | Brown-backed Needletail | Chestnut-collared Swift |
|---|---|---|
| 学名 | Hirundapus giganteus | Streptoprocne rutila |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Apodidae | Apodidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 40.6 cm (16.0 in) | 26.0 cm (10.2 in) |
| 体重 | 145.0 g (5.11 oz) | 21.8 g (0.77 oz) |
| 食性 | Aerial insectivore feeding on tiny flies, beetles, and ballooning spiders in rapid powerful aerial pursuit. | Entirely airborne feeder on tiny flies, gnats, and airborne arachnids; one of the most aerial … |
| 产卵数 | 3-5 | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Brown-backed Needletail
Rough, buzzy chatter with intermittent higher squeaks; coarse twittering delivered continuously throughout aerial foraging.
Chestnut-collared Swift
High, screaming trill; rapid 'scree-scree' in flight; shrill and penetrating; calls over Neotropical mountains and canyon edges; alarm a rapid screeching chatter
Geographic Range & Migration
Brown-backed Needletail
Found from India and Sri Lanka through Southeast Asia to Borneo and the Philippines. Resident in lowland and hill forest, soaring over ridges.
Chestnut-collared Swift
Found from Mexico and the Caribbean south through Central America and South America to Argentina. Resident in highlands near mountain cliffs.
保护状况
Brown-backed Needletail
Chestnut-collared Swift
How to Tell Them Apart
Brown-backed Needletail
Very large; dark brown upperparts with bronze gloss; no pale back saddle unlike congeners; white throat patch; white undertail coverts; short spiny tail; largest Hirundapus; brown rather than black overall …
Chestnut-collared Swift
Dark blackish-brown body with diagnostic rich chestnut collar encircling entire neck; collar bold and complete; underparts slightly paler brown; small swift with striking warm-toned neck band contrasting vividly with dark …
About These Birds
Brown-backed Needletail
棕喉针尾雨燕是该属体型最大的物种，分布于南亚和东南亚的热带森林。喉部棕色，背部深褐，具白色腰斑。飞行速度极快，在空中度过大部分时间，以飞行昆虫为食。栖息于森林和山地地带。
Chestnut-collared Swift
栗领雨燕栖息于中美洲和南美洲北部的山地。