African Swift vs Fernando Po Swift
Apus barbatus 비교 대상 Apus sladeniae
Side-by-Side Comparison
| 속성 | African Swift | Fernando Po Swift |
|---|---|---|
| 학명 | Apus barbatus | Apus sladeniae |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Apodidae | Apodidae |
| 보전 상태 | Least Concern | Data Deficient |
| 체장 | — | — |
| 날개 폭 | 34.2 cm (13.5 in) | 35.4 cm (13.9 in) |
| 체중 | 42.666666666666664 g (1.51 oz) | 42.0 g (1.48 oz) |
| 식성 | Completely aerial diet of small flying insects and spiders; never forages on the ground or … | Aerial insectivore relying entirely on flying insects (midges, gnats, small beetles) and airborne spiders. |
| 산란 수 | 1-2 | 1-2 |
| Population Trend | — | — |
Song & Call Comparison
African Swift
Sharp, piercing screech followed by rapid chatter; intense series of notes escalating in speed and volume before fading.
Fernando Po Swift
Deep, resonant wingbeat audible alongside soft chips; quiet churring call barely distinguishable from surrounding ambient sounds.
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.
Fernando Po Swift
Found on Bioko Island in the Gulf of Guinea and adjacent Cameroon highlands. Restricted to mountain forests and highland areas.
보전 상태
African Swift
Fernando Po 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.
Fernando Po Swift
Dark sooty-brown overall; pale greyish throat and chin patch; underparts slightly paler; broadly similar to African Swift; data-deficient Bioko Island endemic; plumage details poorly documented from limited specimens.
About These Birds
African Swift
아프리카 칼새는 사하라 이남 아프리카 전역에 분포하는 중간 크기의 칼새입니다. 검은 깃털과 흰 목이 특징이며, 절벽과 건물에서 집을 짓고 높은 곳에서 날아오르며 먹이를 잡습니다.
Fernando Po Swift
슬레이든 칼새는 기니만의 섬들에 서식하는 칼새입니다. 아프리카 칼새와 유사하지만 더 작고 흰 목 패치가 특징입니다. 해안 절벽과 바위 섬에서 번식합니다.