African Swift vs Black Swift
Apus barbatus 比較対象 Cypseloides niger
Side-by-Side Comparison
| 属性 | African Swift | Black Swift |
|---|---|---|
| 学名 | Apus barbatus | Cypseloides niger |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Apodidae | Apodidae |
| 保全状況 | Least Concern | Vulnerable |
| 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) | 41.55 g (1.47 oz) |
| 食性 | Completely aerial diet of small flying insects and spiders; never forages on the ground or … | Exclusively aerial diet; consumes tiny flying insects and spiders, sometimes following insect swarms for km. |
| 一腹卵数 | 1-2 | 1 |
| 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.
Black Swift
Soft, buzzy chittering 'spee-spee'; thin twittering over mountain waterfalls; higher and softer than Common Swift; small flocks call weakly over nesting cliffs
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.
Black Swift
Breeds in western North America from Alaska south to California and the Caribbean. Migrates to winter in Mexico and Central America.
保全状況
African Swift
Black 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.
Black Swift
Entirely black with slight glossy sheen; faint pale scaling on forehead and chin in fresh plumage; broad-winged and large-bodied; slightly forked tail; sexes alike; North American cliff-nesting swift with wholly …
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。
Black Swift
クロアマツバメは北アメリカ西部の滝や崖に繁殖し、全身黒色の大型のアマツバメである。