Caroline Swiftlet vs African Swift
Aerodramus inquietus 비교 대상 Apus barbatus
Side-by-Side Comparison
| 속성 | Caroline Swiftlet | African Swift |
|---|---|---|
| 학명 | Aerodramus inquietus | Apus barbatus |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Apodidae | Apodidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | — | — |
| 날개 폭 | 22.8 cm (9.0 in) | 34.2 cm (13.5 in) |
| 체중 | 11.0 g (0.39 oz) | 42.666666666666664 g (1.51 oz) |
| 식성 | Feeds on aerial plankton including tiny flies and spiders; forages in large noisy flocks above … | Completely aerial diet of small flying insects and spiders; never forages on the ground or … |
| 산란 수 | 1-2 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Caroline Swiftlet
Thin twittering calls; 'tsit-tsit' over Caroline Islands; echolocation clicks in cave roosts; moderate-pitched for swiftlet; produces soft chattering at colonial nesting sites
African Swift
Sharp, piercing screech followed by rapid chatter; intense series of notes escalating in speed and volume before fading.
Geographic Range & Migration
Caroline Swiftlet
Found across the Caroline Islands of Micronesia including Pohnpei and Chuuk. Resident in lowland forest and cave systems.
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
Caroline Swiftlet
African Swift
How to Tell Them Apart
Caroline Swiftlet
Small; dark grey-brown upperparts; pale buff rump band; underparts pale greyish-white; forked tail; Micronesian endemic from Caroline Islands; very similar to Palau Swiftlet but distributed on a distinct island group.
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
Caroline Swiftlet
미크로네시아 캐롤라인 제도(폰페이, 코스라에)에 고유하게 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.