Papuan Spinetail vs Alpine Swift
Mearnsia novaeguineae 比較対象 Tachymarptis melba
Side-by-Side Comparison
| 属性 | Papuan Spinetail | Alpine Swift |
|---|---|---|
| 学名 | Mearnsia novaeguineae | Tachymarptis melba |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Apodidae | Apodidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 26.0 cm (10.2 in) | 43.9 cm (17.3 in) |
| 体重 | 34.0 g (1.20 oz) | 97.5 g (3.44 oz) |
| 食性 | High-speed aerial insectivore catching small flying insects and aerial spiders during fast sustained flight. | 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
Papuan Spinetail
Rapid buzzy twittering; sharp 'tsit-tsit-tsit' in low speedy flight; calls in tight flocks over New Guinea forest and rivers; wings produce audible whirring sound in fast flight
Alpine Swift
Rapid series of short, clipped whistles; bright, clean notes delivered in quick succession with occasional doubled phrase.
Geographic Range & Migration
Papuan Spinetail
Found in New Guinea from the northern coast to central ranges. Resident in lowland and hill forest along rivers and forest edge up to 1,500 m.
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
Papuan Spinetail
Alpine Swift
How to Tell Them Apart
Papuan Spinetail
Dark blackish-brown upperparts; paler brownish-grey underparts; pale chin; short spiny tail with projecting shaft tips; New Guinea species; larger than Philippine Spinetail with broader wings relative to body; robust spinetail …
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
Papuan Spinetail
ニューギニア島の森林に生息するニューギニアアナツバメ。体長13〜14cm。黒色で光沢があり、腰部が白い。低地から山地の森林上空を飛翔し、昆虫を捕食する空中採食者。崖や洞窟に集団で巣を作る。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。