Polynesian Swiftlet vs African Swift
Aerodramus leucophaeus 비교 대상 Apus barbatus
Side-by-Side Comparison
| 속성 | Polynesian Swiftlet | African Swift |
|---|---|---|
| 학명 | Aerodramus leucophaeus | Apus barbatus |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Apodidae | Apodidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | — | — |
| 날개 폭 | 23.7 cm (9.3 in) | 34.2 cm (13.5 in) |
| 체중 | 13.4 g (0.47 oz) | 42.666666666666664 g (1.51 oz) |
| 식성 | Aerial insectivore catching tiny flying insects, midges, and airborne spiders in fast low-altitude flight near … | 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
Polynesian Swiftlet
High twittering; thin 'chip-chip' over French Polynesian islands; echolocation clicks in cave roosts; light-colored underparts distinguish it visually; calls unremarkable
African Swift
Sharp, piercing screech followed by rapid chatter; intense series of notes escalating in speed and volume before fading.
Geographic Range & Migration
Polynesian Swiftlet
Found across French Polynesia including the Society Islands, Marquesas, and Tuamotu. Resident in forest and open areas; 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
Polynesian Swiftlet
African Swift
How to Tell Them Apart
Polynesian Swiftlet
Small; dark brown-grey upperparts with minimal gloss; pale grey rump band; underparts whitish-grey; forked tail; East Polynesian endemic from Society Islands; slightly more uniformly dark than some Pacific congeners.
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
Polynesian Swiftlet
소사이어티 제도, 마르케사스 제도, 오스트랄 제도 등 프랑스령 폴리네시아 전역에 서식하는 작은 칼새류(10~11cm). 어두운 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.