Madagascar Swift vs White-chested Swift
Apus balstoni 对比 Cypseloides lemosi
Side-by-Side Comparison
| 属性 | Madagascar Swift | White-chested Swift |
|---|---|---|
| 学名 | Apus balstoni | Cypseloides lemosi |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Apodidae | Apodidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 32.2 cm (12.7 in) | 30.0 cm (11.8 in) |
| 体重 | 46.125 g (1.63 oz) | 28.400000000000002 g (1.00 oz) |
| 食性 | Feeds exclusively on aerial plankton — tiny flies, aphids, and spiders — captured in continuous … | Obligate aerial forager catching small flies, aphids, winged termites, and airborne spiders on the wing. |
| 产卵数 | 1-2 | -- |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Madagascar Swift
Soft twittering with delicate clicking elements; light, airy notes tumbling quickly in loose sequence near water sources.
White-chested Swift
High, thin twittering; soft 'tsit' calls in flight; calls over Colombian waterfalls; very poorly known; thin, reedy contact notes; one of most rarely documented swifts
Geographic Range & Migration
Madagascar Swift
Found in Madagascar and the Comoro Islands. Resident in open habitats including savanna, coastal areas, and highland grassland.
White-chested Swift
Known from Colombia and adjacent Ecuador. One of the world's rarest swifts; recorded at waterfalls in humid forest foothills at 500–1,200 m.
保护状况
Madagascar Swift
White-chested Swift
How to Tell Them Apart
Madagascar Swift
Dark sooty-brown overall; pale whitish throat patch; underparts slightly paler brown; moderately forked tail; Malagasy endemic; one of the heavier island Apus swifts; closely resembles African Swift but restricted to …
White-chested Swift
Black upperparts and wings; distinctive large white chest patch contrasting sharply with black throat and belly; white confined to central breast; Colombian endemic with unique bold bicoloured plumage unlike any …
About These Birds
Madagascar Swift
马达加斯加雨燕分布于马达加斯加和科摩罗群岛，是已知的岛屿特有雨燕。
White-chested Swift
哥伦比亚雨燕限于哥伦比亚南部，是罕见的雨燕。