Brown-backed Needletail vs Alpine Swift
Hirundapus giganteus 对比 Tachymarptis melba
Side-by-Side Comparison
| 属性 | Brown-backed Needletail | Alpine Swift |
|---|---|---|
| 学名 | Hirundapus giganteus | Tachymarptis melba |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Apodidae | Apodidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 40.6 cm (16.0 in) | 43.9 cm (17.3 in) |
| 体重 | 145.0 g (5.11 oz) | 97.5 g (3.44 oz) |
| 食性 | Aerial insectivore feeding on tiny flies, beetles, and ballooning spiders in rapid powerful aerial pursuit. | Aerial insectivore taking small flying insects and spiders; may forage at great heights following thermal … |
| 产卵数 | 3-5 | 1-4 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Brown-backed Needletail
Rough, buzzy chatter with intermittent higher squeaks; coarse twittering delivered continuously throughout aerial foraging.
Alpine Swift
Rapid series of short, clipped whistles; bright, clean notes delivered in quick succession with occasional doubled phrase.
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.
Alpine Swift
Breeds from southern Europe and North Africa east through Central Asia and the Himalayas to India. Migratory; winters in sub-Saharan Africa.
保护状况
Brown-backed Needletail
Alpine 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 …
Alpine Swift
Large; dark brown upperparts; white throat patch separated from white belly by dark brown breast band; brown flanks; bold tricoloured underpart pattern; one of Europe's largest swifts with distinctive white …
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。
Alpine Swift
高山雨燕在欧洲山地和岩壁上繁殖,以白色腹部和较大体型为特征的长距离迁徙鸟类。