White-chested Swift vs White-throated Needletail
Cypseloides lemosi 比較対象 Hirundapus caudacutus
Side-by-Side Comparison
| 属性 | White-chested Swift | White-throated Needletail |
|---|---|---|
| 学名 | Cypseloides lemosi | Hirundapus caudacutus |
| 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) | 41.2 cm (16.2 in) |
| 体重 | 28.400000000000002 g (1.00 oz) | 101.475 g (3.58 oz) |
| 食性 | Obligate aerial forager catching small flies, aphids, winged termites, and airborne spiders on the wing. | High-speed aerial insectivore catching small flying insects and aerial spiders during fast sustained flight. |
| 一腹卵数 | -- | 2-7 |
| 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
White-throated Needletail
Powerful, loud churring rattle descending in pitch; deep resonant trill audible from great distance, forceful and sustained.
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.
White-throated Needletail
Breeds in Siberia, China, Japan, and the Himalayas. Long-distance migrant wintering in Australasia and Southeast Asia. Breeds in forests and cliffs.
保全状況
White-chested Swift
White-throated 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 …
White-throated Needletail
Large; dark blackish-brown upperparts with metallic green gloss; white throat and undertail coverts; pale white back saddle between wings; short spiny tail; one of the world's fastest birds; white throat …
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。
White-throated Needletail
シロハラハリオアマツバメ（Hirundapus caudacutus）はアジアで繁殖しオーストラリア・ニュージーランドに渡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。飛行中に昆虫を捕らえ、時速170 kmを超える速さで知られる世界最速の鳥の一つ。