Little Swift vs Alpine Swift
Apus affinis 对比 Tachymarptis melba
Side-by-Side Comparison
| 属性 | Little Swift | Alpine Swift |
|---|---|---|
| 学名 | Apus affinis | Tachymarptis melba |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Apodidae | Apodidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 25.3 cm (10.0 in) | 43.9 cm (17.3 in) |
| 体重 | 25.0 g (0.88 oz) | 97.5 g (3.44 oz) |
| 食性 | Exclusively aerial diet; consumes tiny flying insects and spiders, sometimes following insect swarms for km. | Aerial insectivore taking small flying insects and spiders; may forage at great heights following thermal … |
| 产卵数 | 1-3 | 1-4 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Little Swift
Harsh, crackling chatter with emphatic rhythm; series of rough notes delivered at pace with occasional sharp screech.
Alpine Swift
Rapid series of short, clipped whistles; bright, clean notes delivered in quick succession with occasional doubled phrase.
Geographic Range & Migration
Little Swift
Found across Africa and Asia from Senegal east to India and Sri Lanka, and southeast to Southeast Asia. Common in urban areas and open country.
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
Little Swift
Alpine Swift
How to Tell Them Apart
Little Swift
Small; dark sooty-brown; large white rump patch; white throat; underparts dark; square-ended tail; widespread from Africa to Asia; the large square white rump patch and square tail distinguish it from …
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
Little Swift
小白腰雨燕广泛分布于亚洲和非洲的热带亚热带地区,以白色腰部为特征的小型雨燕。
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。