Southern Swift vs Alpine Swift
Chaetura meridionalis 对比 Tachymarptis melba
Side-by-Side Comparison
| 属性 | Southern Swift | Alpine Swift |
|---|---|---|
| 学名 | Chaetura meridionalis | Tachymarptis melba |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Apodidae | Apodidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 26.3 cm (10.4 in) | 43.9 cm (17.3 in) |
| 体重 | 19.8 g (0.70 oz) | 97.5 g (3.44 oz) |
| 食性 | Completely aerial diet of small flying insects and spiders; never forages on the ground or … | Aerial insectivore taking small flying insects and spiders; may forage at great heights following thermal … |
| 产卵数 | 3-5 | 1-4 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Southern Swift
Faint, thin squealing trill; rapid metallic chips cascading high-pitched over coastal forest, almost ventriloquial in quality.
Alpine Swift
Rapid series of short, clipped whistles; bright, clean notes delivered in quick succession with occasional doubled phrase.
Geographic Range & Migration
Southern Swift
Found in southern South America from Brazil to Argentina. Migratory, moving north to Amazonia during the austral winter. Open areas and forest.
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
Southern Swift
Alpine Swift
How to Tell Them Apart
Southern Swift
Small; dark sooty-brown overall; pale grey rump band moderately contrasting with dark back; underparts dark grey-brown; short spiny tail; southern South American migratory species; closely resembles Ashy-tailed Swift but rump …
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
Southern Swift
南方雨燕 (Chaetura meridionalis)，体长约12厘米。体羽深褐色，腰部灰褐色，喉淡色，尾短而刚硬。分布于南美洲中南部，包括巴西中部和阿根廷北部。在空中觅食昆虫，常成大群迁徙。
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。