African Swift vs Silver-backed Needletail
Apus barbatus 比較対象 Hirundapus cochinchinensis
Side-by-Side Comparison
| 属性 | African Swift | Silver-backed Needletail |
|---|---|---|
| 学名 | Apus barbatus | Hirundapus cochinchinensis |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Apodidae | Apodidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 34.2 cm (13.5 in) | 36.6 cm (14.4 in) |
| 体重 | 42.666666666666664 g (1.51 oz) | 85.97999999999999 g (3.03 oz) |
| 食性 | Completely aerial diet of small flying insects and spiders; never forages on the ground or … | Obligate aerial forager on small insects and airborne spiders; among the fastest-flying of all swift … |
| 一腹卵数 | 1-2 | -- |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
African Swift
Sharp, piercing screech followed by rapid chatter; intense series of notes escalating in speed and volume before fading.
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
African Swift
Found across sub-Saharan Africa from Senegal east to Ethiopia and south to South Africa. One of Africa's most common swift species.
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
African Swift
Silver-backed Needletail
How to Tell Them Apart
African Swift
Dark sooty-brown throughout; pale throat patch whitish-grey; underparts slightly paler; broadly similar to Common Swift but slightly larger and marginally paler below; widespread Sub-Saharan African species.
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
African Swift
アフリカクロアマツバメはサハラ以南のアフリカに広く分布し、岩壁や建物の隙間に巣を作る。
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。