Andean Swift vs Pallid Swift
Aeronautes andecolus 对比 Apus pallidus
Side-by-Side Comparison
| 属性 | Andean Swift | Pallid Swift |
|---|---|---|
| 学名 | Aeronautes andecolus | Apus pallidus |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Apodidae | Apodidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 28.0 cm (11.0 in) | 33.4 cm (13.1 in) |
| 体重 | 17.1 g (0.60 oz) | 42.25 g (1.49 oz) |
| 食性 | Entirely aerial insectivore consuming swarms of tiny flies, winged ants, and ballooning spiders on the … | Aerial insectivore foraging continuously in flight, taking tiny flies, beetles, and ballooning spiders. |
| 产卵数 | -- | 1-4 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Andean Swift
Melodic whistled phrase with clear flute-like quality; gentle ascending series of pure notes echoing across high Andean slopes.
Pallid Swift
Melodic, rolling trill with rich timbre; sustained musical phrase with slight variations on repeated delivery at dusk.
Geographic Range & Migration
Andean Swift
Found along the Andes from Peru and Bolivia south to Chile and Argentina at 2,000–4,500 m. Resident in Andean valleys and rocky slopes.
Pallid Swift
Breeds in the Mediterranean and North Africa east to Pakistan. Migratory; winters in sub-Saharan Africa from Senegal to Ethiopia.
保护状况
Andean Swift
Pallid Swift
How to Tell Them Apart
Andean Swift
Dark blackish-brown upperparts; white throat and white flanks; slightly less bold white patterning than White-throated Swift; Andean high-altitude specialist ranging Peru to Argentina; similar plumage to congeners but geographically separated.
Pallid Swift
Medium-large; pale brownish-grey overall, distinctly paler than Common Swift; larger pale throat patch; wing coverts show pale scaly edges; Mediterranean and Middle Eastern species; pale sandy-brown tone separates it from …
About These Birds
Andean Swift
一种中型雨燕（体长14-16厘米），分布于秘鲁至阿根廷的高安第斯山区，通常出现在海拔2,500至4,500米地带。属雨燕科（Apodidae），是南美洲安第斯高原特有的雨燕。
Pallid Swift
淡色雨燕在地中海沿岸和北非繁殖，颜色比普通雨燕更淡。