Pallid Swift vs Philippine Spinetail
Apus pallidus 对比 Mearnsia picina
Side-by-Side Comparison
| 属性 | Pallid Swift | Philippine Spinetail |
|---|---|---|
| 学名 | Apus pallidus | Mearnsia picina |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Apodidae | Apodidae |
| 保护状况 | Least Concern | Near Threatened |
| 体长 | — | — |
| 翼展 | 33.4 cm (13.1 in) | 32.3 cm (12.7 in) |
| 体重 | 42.25 g (1.49 oz) | 11.5 g (0.41 oz) |
| 食性 | Aerial insectivore foraging continuously in flight, taking tiny flies, beetles, and ballooning spiders. | Aerial diet of small flying insects and spiders; forages at speed over forest and open … |
| 产卵数 | 1-4 | -- |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Pallid Swift
Melodic, rolling trill with rich timbre; sustained musical phrase with slight variations on repeated delivery at dusk.
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
Pallid Swift
Breeds in the Mediterranean and North Africa east to Pakistan. Migratory; winters in sub-Saharan Africa from Senegal to Ethiopia.
Philippine Spinetail
Endemic to the Philippines, found on Mindanao and adjacent southern islands. Resident in lowland and hill forest and edge. Uncommon.
保护状况
Pallid Swift
Philippine Spinetail
How to Tell Them Apart
Pallid Swift
Medium-large; pale brownish-grey overall, distinctly paler than Common Swift; larger pale throat patch; wing coverts show pale scaly edges; Mediterranean and Middle Eastern species; pale sandy-brown tone separates it from …
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
Pallid Swift
淡色雨燕在地中海沿岸和北非繁殖，颜色比普通雨燕更淡。
Philippine Spinetail
A large spinetail swift (12-13 cm) endemic to the Philippines. Dark plumage with short, spine-tipped tail feathers. Aerial insectivore, foraging over lowland and montane forest. Colonial nester in tree hollows and cliff crevices. Uncommon and poorly studied.