African Palm Swift vs Philippine Spinetail
Cypsiurus parvus 比較対象 Mearnsia picina
Side-by-Side Comparison
| 属性 | African Palm Swift | Philippine Spinetail |
|---|---|---|
| 学名 | Cypsiurus parvus | Mearnsia picina |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Apodidae | Apodidae |
| 保全状況 | Least Concern | Near Threatened |
| 体長 | — | — |
| 翼開長 | 27.2 cm (10.7 in) | 32.3 cm (12.7 in) |
| 体重 | 14.38 g (0.51 oz) | 11.5 g (0.41 oz) |
| 食性 | 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 … |
| 一腹卵数 | 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.
保全状況
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
A slender swift (15-17 cm) with long, narrow wings and a deeply forked tail. Dark brown plumage. Found across sub-Saharan Africa in savanna and open woodland, closely associated with palm trees. Aerial insectivore. One of Africa's most abundant swift species.
Philippine Spinetail
フィリピン固有のフィリピンアナツバメ。体長12〜13cm。暗褐色で腰部が淡い。フィリピンの森林や農地上空を飛翔し、小さな昆虫を捕食する。崖や建物に巣を作ることもある。低危険種。