Papuan Spinetail vs Alpine Swift
Mearnsia novaeguineae 对比 Tachymarptis melba
Side-by-Side Comparison
| 属性 | Papuan Spinetail | Alpine Swift |
|---|---|---|
| 学名 | Mearnsia novaeguineae | Tachymarptis melba |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Apodidae | Apodidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 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 … |
| 产卵数 | -- | 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.
保护状况
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
A large spinetail swift (12-14 cm) found in New Guinea and nearby islands. Dark plumage with spine-tipped tail feathers used for bracing against vertical surfaces. Aerial insectivore, foraging over forest. Nests in tree hollows. Limited ecological data.
Alpine Swift
高山雨燕在欧洲山地和岩壁上繁殖，以白色腹部和较大体型为特征的长距离迁徙鸟类。