Little Swift vs White-chested Swift
Apus affinis 对比 Cypseloides lemosi
Side-by-Side Comparison
| 属性 | Little Swift | White-chested Swift |
|---|---|---|
| 学名 | Apus affinis | Cypseloides lemosi |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Apodidae | Apodidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 25.3 cm (10.0 in) | 30.0 cm (11.8 in) |
| 体重 | 25.0 g (0.88 oz) | 28.400000000000002 g (1.00 oz) |
| 食性 | Exclusively aerial diet; consumes tiny flying insects and spiders, sometimes following insect swarms for km. | Obligate aerial forager catching small flies, aphids, winged termites, and airborne spiders on the wing. |
| 产卵数 | 1-3 | -- |
| 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.
White-chested Swift
High, thin twittering; soft 'tsit' calls in flight; calls over Colombian waterfalls; very poorly known; thin, reedy contact notes; one of most rarely documented swifts
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.
White-chested Swift
Known from Colombia and adjacent Ecuador. One of the world's rarest swifts; recorded at waterfalls in humid forest foothills at 500–1,200 m.
保护状况
Little Swift
White-chested 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 …
White-chested Swift
Black upperparts and wings; distinctive large white chest patch contrasting sharply with black throat and belly; white confined to central breast; Colombian endemic with unique bold bicoloured plumage unlike any …
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。
White-chested Swift
哥伦比亚雨燕限于哥伦比亚南部，是罕见的雨燕。