African Swift vs Cave Swiftlet
Apus barbatus 비교 대상 Collocalia linchi
Side-by-Side Comparison
| 속성 | African Swift | Cave Swiftlet |
|---|---|---|
| 학명 | Apus barbatus | Collocalia linchi |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Apodidae | Apodidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | — | — |
| 날개 폭 | 34.2 cm (13.5 in) | 18.7 cm (7.4 in) |
| 체중 | 42.666666666666664 g (1.51 oz) | 6.05 g (0.21 oz) |
| 식성 | Completely aerial diet of small flying insects and spiders; never forages on the ground or … | Entirely aerial diet of tiny insects and spiders; forages in large flocks over open country … |
| 산란 수 | 1-2 | 2 |
| 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.
Cave Swiftlet
Soft, rapid twittering; thin 'tsit-tsit' over Javan forests; audible echolocation clicks inside caves; colonial; produces squeaky chattering at roost sites; calls weakly in flight
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.
Cave Swiftlet
Found in Sumatra, Java, Bali, and surrounding Indonesian islands. Resident in forest, cultivated land, and villages. Nests in rock crevices.
보전 상태
African Swift
Cave Swiftlet
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.
Cave Swiftlet
Tiny; dark blue-black upperparts with faint gloss; pale greyish rump band; underparts whitish with grey-buff flanks; moderately forked tail; widespread in caves across Sundaland; less glossy and less white below …
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.
Cave Swiftlet
동굴칼새(Collocalia linchi)는 인도네시아와 말레이시아에 서식하는 소형 칼새입니다. 광택 있는 어두운 윗면과 연한 아랫면이 특징이며, 석회암 동굴에 둥지를 짓습니다.