Cape Verde Swift vs African Swift
Apus alexandri 对比 Apus barbatus
Side-by-Side Comparison
| 属性 | Cape Verde Swift | African Swift |
|---|---|---|
| 学名 | Apus alexandri | Apus barbatus |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Apodidae | Apodidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 27.5 cm (10.8 in) | 34.2 cm (13.5 in) |
| 体重 | 39.4 g (1.39 oz) | 42.666666666666664 g (1.51 oz) |
| 食性 | Obligate aerial insectivore; gathers small flying insects, winged ants, and airborne spiders during flight. | Completely aerial diet of small flying insects and spiders; never forages on the ground or … |
| 产卵数 | 2 | 1-2 |
| Population Trend | — | — |
Song & Call Comparison
Cape Verde Swift
Soft, musical whistling with smooth melodic quality; clear, unhurried phrases rising and falling gently in warm afternoon air.
African Swift
Sharp, piercing screech followed by rapid chatter; intense series of notes escalating in speed and volume before fading.
Geographic Range & Migration
Cape Verde Swift
Endemic to the Cape Verde Islands in the eastern Atlantic. Resident on several islands including São Vicente and Santo Antão.
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.
保护状况
Cape Verde Swift
African Swift
How to Tell Them Apart
Cape Verde Swift
Dark sooty-brown overall; pale grey-white throat patch; underparts slightly paler brown; moderately forked tail; Cape Verde Islands endemic; similar to Common Swift but slightly smaller with more extensive pale throat …
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.
About These Birds
Cape Verde Swift
佛得角雨燕是佛得角群岛的特有雨燕，是已知适应岛屿环境的独特种类。
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。