White-rumped Swift vs Alpine Swift
Apus caffer 对比 Tachymarptis melba
Side-by-Side Comparison
| 属性 | White-rumped Swift | Alpine Swift |
|---|---|---|
| 学名 | Apus caffer | Tachymarptis melba |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Apodidae | Apodidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 29.0 cm (11.4 in) | 43.9 cm (17.3 in) |
| 体重 | 23.0 g (0.81 oz) | 97.5 g (3.44 oz) |
| 食性 | Aerial insectivore taking small flying insects and spiders; may forage at great heights following thermal … | Aerial insectivore taking small flying insects and spiders; may forage at great heights following thermal … |
| 产卵数 | 1-3 | 1-4 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
White-rumped Swift
Deep, guttural churring with resonant buzzing quality; prolonged low-frequency trill vibrating persistently through dense foliage.
Alpine Swift
Rapid series of short, clipped whistles; bright, clean notes delivered in quick succession with occasional doubled phrase.
Geographic Range & Migration
White-rumped Swift
Breeds in southern Europe and North Africa east to Central Asia. Migratory; winters in sub-Saharan Africa from Senegal south to South Africa.
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
White-rumped Swift
Alpine Swift
How to Tell Them Apart
White-rumped Swift
Dark sooty-brown; narrow elongated white rump patch; white throat; underparts dark; forked tail; African species; narrower and more elongated white rump than Little Swift; deeply forked tail unlike the square …
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
White-rumped Swift
白腰雨燕广泛分布于撒哈拉以南非洲，以白色腰部为特征的中型雨燕。
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。