Indian Swiftlet vs African Swift
Aerodramus unicolor 비교 대상 Apus barbatus
Side-by-Side Comparison
| 속성 | Indian Swiftlet | African Swift |
|---|---|---|
| 학명 | Aerodramus unicolor | Apus barbatus |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Apodidae | Apodidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | — | — |
| 날개 폭 | 22.7 cm (8.9 in) | 34.2 cm (13.5 in) |
| 체중 | 11.0 g (0.39 oz) | 42.666666666666664 g (1.51 oz) |
| 식성 | Tiny aerial insectivore taking small flying insects and spiders; congregates where insects emerge over water. | Completely aerial diet of small flying insects and spiders; never forages on the ground or … |
| 산란 수 | 2 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Indian Swiftlet
Rapid, thin twittering; 'tsit-tsit' calls over South Indian hills; audible echolocation clicks in cave roosts; colonial; calls softly in flight; noisy at roost entrances
African Swift
Sharp, piercing screech followed by rapid chatter; intense series of notes escalating in speed and volume before fading.
Geographic Range & Migration
Indian Swiftlet
Found in Sri Lanka and southwestern India. Resident in hills and lowlands, nesting in rock crevices on cliff faces up to 2,000 m elevation.
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.
보전 상태
Indian Swiftlet
African Swift
How to Tell Them Apart
Indian Swiftlet
Small; uniformly dark blackish-brown throughout with minimal gloss; rump barely paler than back or concolorous; underparts dark grey-brown; forked tail; South Indian and Sri Lankan endemic with exceptionally uniform dark …
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
Indian Swiftlet
인도 아대륙과 스리랑카 전역에 분포하는 작은 칼새류(11~12cm). 짙은 회갈색 깃털에 연한 허리가 있다. 공중 식충성이다.
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.