African Swift vs Pacific Swift
Apus barbatus 比較対象 Apus pacificus
Side-by-Side Comparison
| 属性 | African Swift | Pacific Swift |
|---|---|---|
| 学名 | Apus barbatus | Apus pacificus |
| 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) | 34.6 cm (13.6 in) |
| 体重 | 42.666666666666664 g (1.51 oz) | 41.516666666666666 g (1.46 oz) |
| 食性 | Completely aerial diet of small flying insects and spiders; never forages on the ground or … | Feeds aerially on tiny insects and spiders, often following weather fronts where aerial plankton concentrates. |
| 一腹卵数 | 1-2 | 1-3 |
| 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.
Pacific Swift
Thin, reedy trill with nasal overtone; soft chattering notes delivered continuously during rapid low-level flight over fields.
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.
Pacific Swift
Breeds from Siberia and Japan south to China and the Himalayas. Long-distance migrant wintering in Southeast Asia and Australia.
保全状況
African Swift
Pacific 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.
Pacific Swift
Dark blackish-brown upperparts; distinctive white rump patch contrasting with dark back; white throat patch; underparts dark with pale brown barring; deeply forked tail; white rump distinguishes it from Common Swift …
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。
Pacific Swift
アマツバメはシベリアから東南アジアにかけて繁殖し、オーストラリアまで渡りを行う大型のアマツバメである。