African Swift vs Costa Rican Swift
Apus barbatus 对比 Chaetura fumosa
Side-by-Side Comparison
| 属性 | African Swift | Costa Rican Swift |
|---|---|---|
| 学名 | Apus barbatus | Chaetura fumosa |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Apodidae | Apodidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 34.2 cm (13.5 in) | 21.2 cm (8.3 in) |
| 体重 | 42.666666666666664 g (1.51 oz) | 18.2 g (0.64 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 | -- |
| 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.
Costa Rican Swift
Thin, insect-like buzz alternating with soft clicks; delicate high trill delivered during swift wheeling flight over valleys.
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.
Costa Rican Swift
Found along the Pacific slope of Costa Rica and Panama. Resident in lowland and foothill forest and forest edge below 1,000 m.
保护状况
African Swift
Costa Rican 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.
Costa Rican Swift
Small; uniformly dark sooty-brown with rump barely paler than dark back; underparts dark grey-brown; short spiny tail; Central American Pacific slope species; exceptionally dark and uniform compared to most Chaetura …
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。
Costa Rican Swift
烟色雨燕 (Chaetura fumosa)，体长约11厘米。体羽均匀的烟褐色，腰部略浅，尾短具细刺。分布于哥斯达黎加太平洋沿岸及巴拿马。栖息于低地热带雨林上空。以飞行昆虫为食。