White-chested Swift vs Brown-backed Needletail
Cypseloides lemosi 比較対象 Hirundapus giganteus
Side-by-Side Comparison
| 属性 | White-chested Swift | Brown-backed Needletail |
|---|---|---|
| 学名 | Cypseloides lemosi | Hirundapus giganteus |
| 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) | 40.6 cm (16.0 in) |
| 体重 | 28.400000000000002 g (1.00 oz) | 145.0 g (5.11 oz) |
| 食性 | Obligate aerial forager catching small flies, aphids, winged termites, and airborne spiders on the wing. | Aerial insectivore feeding on tiny flies, beetles, and ballooning spiders in rapid powerful aerial pursuit. |
| 一腹卵数 | -- | 3-5 |
| 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
Brown-backed Needletail
Rough, buzzy chatter with intermittent higher squeaks; coarse twittering delivered continuously throughout aerial foraging.
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.
Brown-backed Needletail
Found from India and Sri Lanka through Southeast Asia to Borneo and the Philippines. Resident in lowland and hill forest, soaring over ridges.
保全状況
White-chested Swift
Brown-backed Needletail
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 …
Brown-backed Needletail
Very large; dark brown upperparts with bronze gloss; no pale back saddle unlike congeners; white throat patch; white undertail coverts; short spiny tail; largest Hirundapus; brown rather than black overall …
About These Birds
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。
Brown-backed Needletail
ブラウンハリオアマツバメ（Hirundapus giganteus）はインドからインドシナ半島・スマトラ・ボルネオにかけての低地・丘陵林に生息する非常に大型のアマツバメ（体長20〜23 cm）。暗い褐色の羽衣と白い喉・腰が特徴。アマツバメ属の中では最大の種の一つ。