African Swift vs Blyth's Swift
Apus barbatus 对比 Apus leuconyx
Side-by-Side Comparison
| 属性 | African Swift | Blyth's Swift |
|---|---|---|
| 学名 | Apus barbatus | Apus leuconyx |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Apodidae | Apodidae |
| 保护状况 | Least Concern | Not Evaluated |
| 体长 | — | — |
| 翼展 | 34.2 cm (13.5 in) | — |
| 体重 | 42.666666666666664 g (1.51 oz) | 42.949999999999996 g (1.52 oz) |
| 食性 | Completely aerial diet of small flying insects and spiders; never forages on the ground or … | Obligate aerial insectivore; takes small flies, beetles, and aerial spiders in swooping fast-flight passes. |
| 产卵数 | 1-2 | 2-3 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
African Swift
Sharp, piercing screech followed by rapid chatter; intense series of notes escalating in speed and volume before fading.
Blyth's Swift
Loud, piercing screech with shrill metallic quality; powerful prolonged calls audible from considerable distances in open sky.
Geographic Range & Migration
African Swift
Found across sub-Saharan Africa from Senegal east to Ethiopia and south to South Africa. One of Africa's most common swift species.
Blyth's Swift
Found from Central Asia and the Himalayas east to China and southeastern Russia. Migratory; winters in South and Southeast Asia.
保护状况
African Swift
Blyth's Swift
How to Tell Them Apart
African Swift
Dark sooty-brown throughout; pale throat patch whitish-grey; underparts slightly paler; broadly similar to Common Swift but slightly larger and marginally paler below; widespread Sub-Saharan African species.
Blyth's Swift
Dark blackish-brown upperparts; white rump patch; white throat; underparts dark brown; deeply forked tail; recently described species closely related to Pacific Swift; separation based on molecular and biometric characters.
About These Birds
African Swift
非洲黑雨燕广泛分布于撒哈拉以南非洲，在岩壁和建筑物缝隙中筑巢。
Blyth's Swift
白爪雨燕分布于中亚至南亚，以白色爪子为特征的雨燕。