Philippine Swiftlet vs African Palm Swift
Aerodramus mearnsi 비교 대상 Cypsiurus parvus
Side-by-Side Comparison
| 속성 | Philippine Swiftlet | African Palm Swift |
|---|---|---|
| 학명 | Aerodramus mearnsi | Cypsiurus parvus |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Apodidae | Apodidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | — | — |
| 날개 폭 | 21.8 cm (8.6 in) | 27.2 cm (10.7 in) |
| 체중 | 11.5 g (0.41 oz) | 14.38 g (0.51 oz) |
| 식성 | Obligate aerial feeder on microscopic flying insects and spiders; highly social forager over tropical forest. | Exclusively aerial diet; consumes tiny flying insects and spiders, sometimes following insect swarms for km. |
| 산란 수 | 4 | 1-3 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Philippine Swiftlet
High twittering trill; thin 'tsit-tsit' notes over Philippine mountains; echolocation clicks in cave roosts; calls softly; flock produces chattering at roost; unremarkable vocalizations
African Palm Swift
Deep, hollow churring trill with resonant bass quality; prolonged vibrating call audible at significant range in open woodland.
Geographic Range & Migration
Philippine Swiftlet
Endemic to the Philippines, found on Luzon, Mindanao, Mindoro, and adjacent islands. Resident in lowland and hill forest and open areas.
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
Philippine Swiftlet
African Palm Swift
How to Tell Them Apart
Philippine Swiftlet
Small; dark grey-brown upperparts with faint gloss; pale grey rump band; underparts greyish-white; moderately forked tail; Philippine endemic using echolocation; echolocation ability distinguishes Aerodramus from Collocalia swiftlets.
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
Philippine Swiftlet
필리핀 고유의 작은 칼새류(10~11cm). 어두운 깃털에 연한 허리. 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.