Philippine Spinetail vs Chestnut-collared Swift
Mearnsia picina 比較対象 Streptoprocne rutila
Side-by-Side Comparison
| 属性 | Philippine Spinetail | Chestnut-collared Swift |
|---|---|---|
| 学名 | Mearnsia picina | Streptoprocne rutila |
| 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) | 26.0 cm (10.2 in) |
| 体重 | 11.5 g (0.41 oz) | 21.8 g (0.77 oz) |
| 食性 | Aerial diet of small flying insects and spiders; forages at speed over forest and open … | Entirely airborne feeder on tiny flies, gnats, and airborne arachnids; one of the most aerial … |
| 一腹卵数 | -- | 2 |
| 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
Chestnut-collared Swift
High, screaming trill; rapid 'scree-scree' in flight; shrill and penetrating; calls over Neotropical mountains and canyon edges; alarm a rapid screeching chatter
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.
Chestnut-collared Swift
Found from Mexico and the Caribbean south through Central America and South America to Argentina. Resident in highlands near mountain cliffs.
保全状況
Philippine Spinetail
Chestnut-collared 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.
Chestnut-collared Swift
Dark blackish-brown body with diagnostic rich chestnut collar encircling entire neck; collar bold and complete; underparts slightly paler brown; small swift with striking warm-toned neck band contrasting vividly with dark …
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。
Chestnut-collared Swift
チェストナットカラードスウィフトは中央アメリカと南アメリカ北部の山岳地帯に生息するアマツバメである。