Purple Needletail vs Alpine Swift
Hirundapus celebensis 对比 Tachymarptis melba
Side-by-Side Comparison
| 属性 | Purple Needletail | Alpine Swift |
|---|---|---|
| 学名 | Hirundapus celebensis | Tachymarptis melba |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Apodidae | Apodidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 42.7 cm (16.8 in) | 43.9 cm (17.3 in) |
| 体重 | 186.5 g (6.58 oz) | 97.5 g (3.44 oz) |
| 食性 | Catches aerial plankton of small insects and spiders in fast sweeping flight; roosts in rock … | 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
Purple Needletail
Thin, penetrating screech with piercing quality; rapid trilling notes cascading steeply, cutting through jungle noise effectively.
Alpine Swift
Rapid series of short, clipped whistles; bright, clean notes delivered in quick succession with occasional doubled phrase.
Geographic Range & Migration
Purple Needletail
Found on Sulawesi, the Philippines, and adjacent islands in Wallacea. Resident in lowland and hill forest, foraging over forest and open areas.
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
Purple Needletail
Alpine Swift
How to Tell Them Apart
Purple Needletail
Very large; dark black-brown upperparts with intense purple gloss on back and wing coverts; white throat patch; white undertail coverts; short spiny tail; Sulawesi endemic and the heaviest needletail; stunning …
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
Purple Needletail
苏拉威西针尾雨燕是印度尼西亚苏拉威西岛的特有雨燕，属针尾雨燕属。体型较大，飞行速度极快，尾羽具坚硬的针状羽轴。以飞行昆虫为食，在空中度过大部分时间，栖息于热带森林和开阔地带。
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。