Cape Verde Swift vs African Swift
Apus alexandri 比較対象 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 |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 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 … |
| 一腹卵数 | 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.
保全状況
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
カーボベルデアマツバメはカーボベルデ諸島固有のアマツバメで、島嶼環境に適応した特有の種である。
African Swift
アフリカクロアマツバメはサハラ以南のアフリカに広く分布し、岩壁や建物の隙間に巣を作る。