African Swift vs Short-tailed Swift
Apus barbatus 比較対象 Chaetura brachyura
Side-by-Side Comparison
| 属性 | African Swift | Short-tailed Swift |
|---|---|---|
| 学名 | Apus barbatus | Chaetura brachyura |
| 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) | 23.7 cm (9.3 in) |
| 体重 | 42.666666666666664 g (1.51 oz) | 18.625 g (0.66 oz) |
| 食性 | Completely aerial diet of small flying insects and spiders; never forages on the ground or … | Feeds exclusively on aerial plankton — tiny flies, aphids, and spiders — captured in continuous … |
| 一腹卵数 | 1-2 | 2-7 |
| 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.
Short-tailed Swift
Harsh, screaming chatter with emphatic delivery; loud coarse notes erupting suddenly during competitive aerial encounters.
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.
Short-tailed Swift
Found across South America east of the Andes, from Trinidad and the Guianas south to Bolivia and the Río de la Plata. Lowland forest.
保全状況
African Swift
Short-tailed 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.
Short-tailed Swift
Small; dark sooty-brown upperparts; very pale whitish rump and tail contrasting sharply with dark body; underparts pale greyish; extremely short tail giving distinctive blunt-ended flight silhouette; widespread Trinidad to Argentina.
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。
Short-tailed Swift
パナマからブラジル南部・トリニダードの低地林に生息する小型アマツバメ（10〜11 cm）。顕著に短い角型の尾に棘先端を持つ暗い羽衣。空中で昆虫を捕食。林上・農耕地を飛翔。