White-chested Swift vs Böhm's Spinetail
Cypseloides lemosi 对比 Neafrapus boehmi
Side-by-Side Comparison
| 属性 | White-chested Swift | Böhm's Spinetail |
|---|---|---|
| 学名 | Cypseloides lemosi | Neafrapus boehmi |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Apodidae | Apodidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 30.0 cm (11.8 in) | 24.0 cm (9.4 in) |
| 体重 | 28.400000000000002 g (1.00 oz) | 16.225 g (0.57 oz) |
| 食性 | Obligate aerial forager catching small flies, aphids, winged termites, and airborne spiders on the wing. | Aerial diet of small flying insects and spiders; forages at speed over forest and open … |
| 产卵数 | -- | 2-3 |
| 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
Böhm's Spinetail
Soft, high twittering with delicate sibilant quality; rapid flutter of tiny notes almost insect-like in pitch and rhythm.
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.
Böhm's Spinetail
Found in Central and East Africa from Cameroon east to Tanzania and Mozambique. Resident in open forest; often associated with baobab trees.
保护状况
White-chested Swift
Böhm's Spinetail
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 …
Böhm's Spinetail
Small; dark brown-black upperparts; white rump patch; pale whitish underparts; very short stubby tail with prominent spiny tips; East African savanna species; tiny bat-like fluttering flight aided by extremely short …
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。
Böhm's Spinetail
A small swift (9-10 cm) of miombo woodland and open savanna across eastern and southern Africa. Dark plumage with a white rump and belly. Short, spine-tipped tail. Aerial insectivore with distinctive fluttering, bat-like flight low over the treetops.