Little Swift vs White-chested Swift
Apus affinis 比較対象 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 |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 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. |
| 一腹卵数 | 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.
保全状況
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
コシジロアマツバメはアジアとアフリカの熱帯・亜熱帯に広く分布し、白い腰が特徴的な小型のアマツバメである。
White-chested Swift
コロンビアアマツバメはコロンビア南部に限定的に生息する希少なアマツバメである。