White-chested Swift vs Mottled Swift
Cypseloides lemosi 对比 Tachymarptis aequatorialis
Side-by-Side Comparison
| 属性 | White-chested Swift | Mottled Swift |
|---|---|---|
| 学名 | Cypseloides lemosi | Tachymarptis aequatorialis |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Apodidae | Apodidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 30.0 cm (11.8 in) | 41.5 cm (16.3 in) |
| 体重 | 28.400000000000002 g (1.00 oz) | 94.0 g (3.32 oz) |
| 食性 | Obligate aerial forager catching small flies, aphids, winged termites, and airborne spiders on the wing. | Entirely airborne feeder on tiny flies, gnats, and airborne arachnids; one of the most aerial … |
| 产卵数 | -- | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
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
Mottled Swift
Rough, coarse chatter with scratchy texture; bursts of harsh notes blending into continuous buzzy trill near nesting cliffs.
Geographic Range & Migration
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.
Mottled Swift
Found across equatorial Africa from Guinea east to Ethiopia and south to Zambia. Resident in highland forests and rocky cliffs at 900–3,400 m.
保护状况
White-chested Swift
Mottled Swift
How to Tell Them Apart
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 …
Mottled Swift
Large; dark brown upperparts; mottled white and brown underparts with white scales on each feather creating scaled appearance; pale throat; African montane species closely related to Alpine Swift but with …
About These Birds
White-chested Swift
哥伦比亚雨燕限于哥伦比亚南部，是罕见的雨燕。
Mottled Swift
斑纹雨燕栖息于赤道非洲高山带，具有斑点状羽毛的大型雨燕。