Mottled Swift vs Alpine Swift
Tachymarptis aequatorialis 对比 Tachymarptis melba
Side-by-Side Comparison
| 属性 | Mottled Swift | Alpine Swift |
|---|---|---|
| 学名 | Tachymarptis aequatorialis | Tachymarptis melba |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Apodidae | Apodidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 41.5 cm (16.3 in) | 43.9 cm (17.3 in) |
| 体重 | 94.0 g (3.32 oz) | 97.5 g (3.44 oz) |
| 食性 | Entirely airborne feeder on tiny flies, gnats, and airborne arachnids; one of the most aerial … | Aerial insectivore taking small flying insects and spiders; may forage at great heights following thermal … |
| 产卵数 | 1-2 | 1-4 |
| Population Trend | — | — |
Song & Call Comparison
Mottled Swift
Rough, coarse chatter with scratchy texture; bursts of harsh notes blending into continuous buzzy trill near nesting cliffs.
Alpine Swift
Rapid series of short, clipped whistles; bright, clean notes delivered in quick succession with occasional doubled phrase.
Geographic Range & Migration
Mottled Swift
Found across equatorial Africa from Guinea east to Ethiopia and south to Zambia. Resident in highland forests and rocky cliffs at 900–3,400 m.
Alpine Swift
Breeds from southern Europe and North Africa east through Central Asia and the Himalayas to India. Migratory; winters in sub-Saharan Africa.
保护状况
Mottled Swift
Alpine Swift
How to Tell Them Apart
Mottled Swift
Large; dark brown upperparts; mottled white and brown underparts with white scales on each feather creating scaled appearance; pale throat; African montane species closely related to Alpine Swift but with …
Alpine Swift
Large; dark brown upperparts; white throat patch separated from white belly by dark brown breast band; brown flanks; bold tricoloured underpart pattern; one of Europe's largest swifts with distinctive white …
About These Birds
Mottled Swift
斑纹雨燕栖息于赤道非洲高山带，具有斑点状羽毛的大型雨燕。
Alpine Swift
高山雨燕在欧洲山地和岩壁上繁殖，以白色腹部和较大体型为特征的长距离迁徙鸟类。