Seychelles Swiftlet vs African Swift
Aerodramus elaphrus 비교 대상 Apus barbatus
Side-by-Side Comparison
| 속성 | Seychelles Swiftlet | African Swift |
|---|---|---|
| 학명 | Aerodramus elaphrus | Apus barbatus |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Apodidae | Apodidae |
| 보전 상태 | Vulnerable | Least Concern |
| 체장 | — | — |
| 날개 폭 | 22.6 cm (8.9 in) | 34.2 cm (13.5 in) |
| 체중 | 11.266666666666666 g (0.40 oz) | 42.666666666666664 g (1.51 oz) |
| 식성 | Feeds aerially on tiny flying insects and drifting spiders; often forages in mixed-species flocks over … | Completely aerial diet of small flying insects and spiders; never forages on the ground or … |
| 산란 수 | 1 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Seychelles Swiftlet
Rapid twittering; thin 'tsit-tsit' over Seychelles islands; audible echolocation clicks in caves; endangered endemic; calls weakly in small flocks over forest and coast
African Swift
Sharp, piercing screech followed by rapid chatter; intense series of notes escalating in speed and volume before fading.
Geographic Range & Migration
Seychelles Swiftlet
Endemic to the Seychelles Islands in the western Indian Ocean. Resident on the main granitic islands including Mahé. Nests in sea caves.
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
Seychelles Swiftlet
African Swift
How to Tell Them Apart
Seychelles Swiftlet
Small; dark brownish-grey upperparts with slight gloss; pale grey-buff rump band; underparts whitish-grey; forked tail; Seychelles endemic and vulnerable due to restricted range; slightly larger and less glossy than sympatric …
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
Seychelles Swiftlet
인도양 세이셸 제도에 고유하게 서식하는 작은 칼새류(10~11cm). 짙은 회갈색 깃털. 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.