Common Swift vs African Swift
Apus apus 比較対象 Apus barbatus
Side-by-Side Comparison
| 属性 | Common Swift | African Swift |
|---|---|---|
| 学名 | Apus apus | Apus barbatus |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Apodidae | Apodidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 32.3 cm (12.7 in) | 34.2 cm (13.5 in) |
| 体重 | 41.5 g (1.46 oz) | 42.666666666666664 g (1.51 oz) |
| 食性 | Aerial forager on tiny insects and wind-dispersed spiders; forages near water surfaces where insects concentrate. | Completely aerial diet of small flying insects and spiders; never forages on the ground or … |
| 一腹卵数 | 1-4 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Common Swift
Crisp, two-noted call: quick sharp chip followed by descending whistle; distinctive pattern repeated at measured intervals.
African Swift
Sharp, piercing screech followed by rapid chatter; intense series of notes escalating in speed and volume before fading.
Geographic Range & Migration
Common Swift
Breeds across Europe and Asia from the British Isles east to Siberia and China. Long-distance migrant wintering in sub-Saharan Africa.
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
Common Swift
African Swift
How to Tell Them Apart
Common Swift
Uniformly blackish-brown above and below; pale whitish throat patch; slightly forked tail; no other pale markings; sexes identical; the archetypal swift shape with scythe-like wings; widespread Palearctic breeder and Sub-Saharan …
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
Common Swift
ヨーロッパアマツバメはユーラシア大陸に広く繁殖し、ほぼ一生を空中で過ごすことで知られる鳥である。
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。