African Palm Swift vs Philippine Spinetail
Cypsiurus parvus 비교 대상 Mearnsia picina
Side-by-Side Comparison
| 속성 | African Palm Swift | Philippine Spinetail |
|---|---|---|
| 학명 | Cypsiurus parvus | Mearnsia picina |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Apodidae | Apodidae |
| 보전 상태 | Least Concern | Near Threatened |
| 체장 | — | — |
| 날개 폭 | 27.2 cm (10.7 in) | 32.3 cm (12.7 in) |
| 체중 | 14.38 g (0.51 oz) | 11.5 g (0.41 oz) |
| 식성 | Exclusively aerial diet; consumes tiny flying insects and spiders, sometimes following insect swarms for km. | Aerial diet of small flying insects and spiders; forages at speed over forest and open … |
| 산란 수 | 1-3 | -- |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
African Palm Swift
Deep, hollow churring trill with resonant bass quality; prolonged vibrating call audible at significant range in open woodland.
Philippine Spinetail
High-pitched, buzzy twittering; sharp 'tsit-tsit' in fast low-level flight over Philippine forest; calls rapidly in tight flocks; distinctive wing sound in fast aerial display
Geographic Range & Migration
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.
Philippine Spinetail
Endemic to the Philippines, found on Mindanao and adjacent southern islands. Resident in lowland and hill forest and edge. Uncommon.
보전 상태
African Palm Swift
Philippine Spinetail
How to Tell Them Apart
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.
Philippine Spinetail
Tiny but long-winged; dark blackish-brown overall; pale grey-white throat and chin; short spiny tail projections visible at close range; Philippine endemic; small size contrasts with proportionally very long scythe-like wings.
About These Birds
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.
Philippine Spinetail
소형 칼새로 체장 약 11cm이며, 검은색 몸통에 흰색 허리 반점이 있다. 필리핀 특정 섬 숲 상공에 서식하는 고유종이다. 공중에서 곤충을 잡아먹으며, 절벽이나 동굴 벽에 둥지를 튼다. 관심 필요 종이다.