Horus Swift vs White-chested Swift
Apus horus 比較対象 Cypseloides lemosi
Side-by-Side Comparison
| 属性 | Horus Swift | White-chested Swift |
|---|---|---|
| 学名 | Apus horus | Cypseloides lemosi |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Apodidae | Apodidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 30.0 cm (11.8 in) | 30.0 cm (11.8 in) |
| 体重 | 27.5 g (0.97 oz) | 28.400000000000002 g (1.00 oz) |
| 食性 | Feeds on aerial plankton of tiny insects and spiders; entire diet captured during non-stop aerial … | Obligate aerial forager catching small flies, aphids, winged termites, and airborne spiders on the wing. |
| 一腹卵数 | 1-4 | -- |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Horus Swift
Sharp, buzzy chip followed by short descending whistle; compact two-part call repeated persistently from elevated perch.
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
Horus Swift
Found across sub-Saharan Africa from Senegal east to Ethiopia and south to South Africa. Resident in woodland and grassland near rivers.
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
Horus Swift
White-chested Swift
How to Tell Them Apart
Horus Swift
Dark sooty-brown; large white rump patch; white throat; pale flanks creating partial white underpart; square-ended tail; African species; compared to Little Swift, paler flanks give a more extensively white underpart …
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
Horus Swift
ホルスアマツバメは東・南部アフリカに生息し、白い腰と喉を持つ特徴的なアマツバメである。
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。