Mascarene Swiftlet vs African Palm Swift
Aerodramus francicus 비교 대상 Cypsiurus parvus
Side-by-Side Comparison
| 속성 | Mascarene Swiftlet | African Palm Swift |
|---|---|---|
| 학명 | Aerodramus francicus | Cypsiurus parvus |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Apodidae | Apodidae |
| 보전 상태 | Near Threatened | Least Concern |
| 체장 | — | — |
| 날개 폭 | 21.8 cm (8.6 in) | 27.2 cm (10.7 in) |
| 체중 | 10.419999999999998 g (0.37 oz) | 14.38 g (0.51 oz) |
| 식성 | Aerial insectivore consuming minute dipterans, midges, and ballooning spiders caught in continuous fast flight. | Exclusively aerial diet; consumes tiny flying insects and spiders, sometimes following insect swarms for km. |
| 산란 수 | 1-2 | 1-3 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Mascarene Swiftlet
Thin, rapid chittering; soft 'tsit' notes over Reunion and Mauritius; echolocation clicks in cave roosts; endemic island species; calls weakly; colonial roosting produces faint noise
African Palm Swift
Deep, hollow churring trill with resonant bass quality; prolonged vibrating call audible at significant range in open woodland.
Geographic Range & Migration
Mascarene Swiftlet
Endemic to the Mascarene Islands of Réunion and Mauritius in the southwestern Indian Ocean. Nests in sea caves and rock crevices.
African Palm Swift
Found across sub-Saharan Africa from Senegal east to Somalia and south to South Africa. Common in open areas near palms; nests in palm leaves.
보전 상태
Mascarene Swiftlet
African Palm Swift
How to Tell Them Apart
Mascarene Swiftlet
Small; dark blackish-brown upperparts with slight greenish gloss; pale buff-grey rump band; pale grey-white underparts; forked tail; Mascarene Island endemic of Réunion and Mauritius with slightly dusky-toned underparts.
African Palm Swift
Slender and long-tailed; uniformly pale greyish-brown overall; underparts paler grey-buff; long deeply forked tail; pale uniform appearance with no contrasting markings; widespread African palm-nesting swift with distinctive slender silhouette.
About These Birds
Mascarene Swiftlet
서인도양 모리셔스와 레위니옹 섬에 고유하게 서식하는 작은 칼새류(10~11cm). 짙은 갈색 깃털. 공중 식충성이다.
African Palm Swift
길고 좁은 날개와 깊이 갈라진 꼬리를 가진 15–17 cm의 가는 칼새. 어두운 갈색 깃털. 사바나와 개방 삼림의 야자나무와 밀접하게 연관되어 사하라 이남 아프리카 전역에 분포. 공중 곤충식성. 아프리카에서 가장 풍부한 칼새 중 하나.