African Swift vs Bates's Swift
Apus barbatus 对比 Apus batesi
Side-by-Side Comparison
| 属性 | African Swift | Bates's Swift |
|---|---|---|
| 学名 | Apus barbatus | Apus batesi |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Apodidae | Apodidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 34.2 cm (13.5 in) | 24.6 cm (9.7 in) |
| 体重 | 42.666666666666664 g (1.51 oz) | 22.1 g (0.78 oz) |
| 食性 | Completely aerial diet of small flying insects and spiders; never forages on the ground or … | Entirely airborne feeder on tiny flies, gnats, and airborne arachnids; one of the most aerial … |
| 产卵数 | 1-2 | 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.
Bates's Swift
Rapid, light twittering with bright crystalline quality; cascading series of high pure notes tumbling freely in open air.
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.
Bates's Swift
Found in a restricted range in West and Central Africa from Cameroon and Gabon. Resident in lowland rainforest. Rare and poorly known.
保护状况
African Swift
Bates's Swift
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.
Bates's Swift
Small; dark sooty-brown overall; narrow pale greyish-white rump band; pale greyish chin; underparts dark brown; forked tail; West African forest species; the narrowest and dullest rump band among African white-rumped …
About These Birds
African Swift
非洲黑雨燕广泛分布于撒哈拉以南非洲，在岩壁和建筑物缝隙中筑巢。
Bates's Swift
A medium-sized swift (16-17 cm) found in lowland and montane forests of West and Central Africa. Dark plumage with a greenish gloss. Aerial insectivore. Colonial breeder. One of the least known African swifts due to its forest habitat. Named after George Latimer Bates.