White-tipped Swift vs White-chested Swift
Aeronautes montivagus 对比 Cypseloides lemosi
Side-by-Side Comparison
| 属性 | White-tipped Swift | White-chested Swift |
|---|---|---|
| 学名 | Aeronautes montivagus | Cypseloides lemosi |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Apodidae | Apodidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 23.0 cm (9.1 in) | 30.0 cm (11.8 in) |
| 体重 | 20.21666666666667 g (0.71 oz) | 28.400000000000002 g (1.00 oz) |
| 食性 | Obligate aerial feeder on small insects and arachnids; catches prey in a wide gape during … | Obligate aerial forager catching small flies, aphids, winged termites, and airborne spiders on the wing. |
| 产卵数 | 4-5 | -- |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
White-tipped Swift
High, pure whistle fading to sibilant ending; soft series of descending notes with slight wavering, rarely heard distinctly.
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
White-tipped Swift
Found in the Andes and tepuis of Venezuela, Colombia, Ecuador, Peru, and Bolivia at 500–3,000 m. Resident in montane rocky outcrops.
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
White-tipped Swift
White-chested Swift
How to Tell Them Apart
White-tipped Swift
Dark blackish-brown; white throat and pale flanks; white tips to secondaries forming a white trailing-edge band on wing; smaller than White-throated Swift; Andean species distinguished by white-tipped secondary pattern.
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
White-tipped Swift
一种中型雨燕（体长13-14厘米），分布于从墨西哥至委内瑞拉和秘鲁的山地地区。体羽深色。属雨燕科（Apodidae），在中美洲和南美洲北部山区的悬崖上繁殖。
White-chested Swift
哥伦比亚雨燕限于哥伦比亚南部，是罕见的雨燕。