African Swift vs Plain Swift
Apus barbatus 比較対象 Apus unicolor
Side-by-Side Comparison
| 属性 | African Swift | Plain Swift |
|---|---|---|
| 学名 | Apus barbatus | Apus unicolor |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Apodidae | Apodidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 34.2 cm (13.5 in) | 29.9 cm (11.8 in) |
| 体重 | 42.666666666666664 g (1.51 oz) | 24.2 g (0.85 oz) |
| 食性 | Completely aerial diet of small flying insects and spiders; never forages on the ground or … | Exclusively aerial insectivore catching small flying insects and spiders drifting in aerial plankton at altitude. |
| 一腹卵数 | 1-2 | 2 |
| 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.
Plain Swift
Harsh, grating scream with descending inflection; loud raspy calls carrying urgency, often given during colony disturbance.
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.
Plain Swift
Breeds on the Azores, Madeira, and Canary Islands. Resident on these Macaronesian archipelagos. Closely related to Common Swift.
保全状況
African Swift
Plain 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.
Plain Swift
Dark sooty-brown plumage; very faint pale chin; no distinct throat patch; entirely plain and uniform; smaller than Common Swift; Macaronesian endemic breeding in Canary Islands and Madeira; coloration slightly paler …
About These Birds
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。
Plain Swift
マデイラアマツバメは大西洋の島々とアフリカ北西部に繁殖し、黒褐色の羽毛を持つアマツバメである。