White-throated Swift vs African Swift
Aeronautes saxatalis 对比 Apus barbatus
Side-by-Side Comparison
| 属性 | White-throated Swift | African Swift |
|---|---|---|
| 学名 | Aeronautes saxatalis | Apus barbatus |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Apodidae | Apodidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 28.1 cm (11.1 in) | 34.2 cm (13.5 in) |
| 体重 | 34.03 g (1.20 oz) | 42.666666666666664 g (1.51 oz) |
| 食性 | Aerial insectivore relying entirely on flying insects (midges, gnats, small beetles) and airborne spiders. | Completely aerial diet of small flying insects and spiders; never forages on the ground or … |
| 产卵数 | 3-6 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
White-throated Swift
Sharp, whistled notes alternating with buzzy trills; crisp di-di-dit pattern repeated rhythmically during swift soaring flights.
African Swift
Sharp, piercing screech followed by rapid chatter; intense series of notes escalating in speed and volume before fading.
Geographic Range & Migration
White-throated Swift
Found in western North America from British Columbia south through the Rocky Mountains to Central America. Partially migratory northward.
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.
保护状况
White-throated Swift
African Swift
How to Tell Them Apart
White-throated Swift
Black upperparts; bold white throat and white flanks extending to white central underparts; black sides of breast and belly create striking tricoloured pattern; white lateral tail spots; Western North American …
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.
About These Birds
White-throated Swift
一种中型雨燕（体长15-17厘米），体羽黑白相间，是北美雨燕中独具一格的物种。属雨燕科（Apodidae），分布于北美西部山地，被称为"白腰雨燕"，在悬崖峭壁上繁殖。
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。