Philippine Spinetail vs Alpine Swift
Mearnsia picina 比較対象 Tachymarptis melba
Side-by-Side Comparison
| 属性 | Philippine Spinetail | Alpine Swift |
|---|---|---|
| 学名 | Mearnsia picina | Tachymarptis melba |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Apodidae | Apodidae |
| 保全状況 | Near Threatened | Least Concern |
| 体長 | — | — |
| 翼開長 | 32.3 cm (12.7 in) | 43.9 cm (17.3 in) |
| 体重 | 11.5 g (0.41 oz) | 97.5 g (3.44 oz) |
| 食性 | Aerial diet of small flying insects and spiders; forages at speed over forest and open … | Aerial insectivore taking small flying insects and spiders; may forage at great heights following thermal … |
| 一腹卵数 | -- | 1-4 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
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
Alpine Swift
Rapid series of short, clipped whistles; bright, clean notes delivered in quick succession with occasional doubled phrase.
Geographic Range & Migration
Philippine Spinetail
Endemic to the Philippines, found on Mindanao and adjacent southern islands. Resident in lowland and hill forest and edge. Uncommon.
Alpine Swift
Breeds from southern Europe and North Africa east through Central Asia and the Himalayas to India. Migratory; winters in sub-Saharan Africa.
保全状況
Philippine Spinetail
Alpine Swift
How to Tell Them Apart
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.
Alpine Swift
Large; dark brown upperparts; white throat patch separated from white belly by dark brown breast band; brown flanks; bold tricoloured underpart pattern; one of Europe's largest swifts with distinctive white …
About These Birds
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。
Alpine Swift
アルプスアマツバメはヨーロッパの山岳地帯と岩壁に繁殖し、白い腹と大きな体が特徴的な長距離渡り鳥である。