White-chested Swift vs Silver-backed Needletail
Cypseloides lemosi 比較対象 Hirundapus cochinchinensis
Side-by-Side Comparison
| 属性 | White-chested Swift | Silver-backed Needletail |
|---|---|---|
| 学名 | Cypseloides lemosi | Hirundapus cochinchinensis |
| 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) | 36.6 cm (14.4 in) |
| 体重 | 28.400000000000002 g (1.00 oz) | 85.97999999999999 g (3.03 oz) |
| 食性 | Obligate aerial forager catching small flies, aphids, winged termites, and airborne spiders on the wing. | Obligate aerial forager on small insects and airborne spiders; among the fastest-flying of all swift … |
| 一腹卵数 | -- | -- |
| 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
Silver-backed Needletail
Dry, rattling trill with softer ending; rapid series of clipped notes dropping slightly in pitch as the bird gains speed.
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.
Silver-backed Needletail
Found from northeastern India and China through Southeast Asia to the Greater Sundas. Partially migratory; winters south in forest and open areas.
保全状況
White-chested Swift
Silver-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 …
Silver-backed Needletail
Large; blackish-brown body; distinctive large silvery-white back patch between wings; white throat and undertail coverts; short spiny tail; Southeast Asian species closely resembling White-throated Needletail but silvery-white saddle more extensive.
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。
Silver-backed Needletail
シロテハリオアマツバメ（Hirundapus cochinchinensis）はインド・東南アジア・中国南部の低地・丘陵林に生息する大型のアマツバメ（体長18〜20 cm）。暗い羽衣と白い喉・腰・腹が特徴。開けた空間で昆虫を捕食。