Madagascar Swift vs Alpine Swift
Apus balstoni 比較対象 Tachymarptis melba
Side-by-Side Comparison
| 属性 | Madagascar Swift | Alpine Swift |
|---|---|---|
| 学名 | Apus balstoni | Tachymarptis melba |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Apodidae | Apodidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 32.2 cm (12.7 in) | 43.9 cm (17.3 in) |
| 体重 | 46.125 g (1.63 oz) | 97.5 g (3.44 oz) |
| 食性 | Feeds exclusively on aerial plankton — tiny flies, aphids, and spiders — captured in continuous … | Aerial insectivore taking small flying insects and spiders; may forage at great heights following thermal … |
| 一腹卵数 | 1-2 | 1-4 |
| Population Trend | — | — |
Song & Call Comparison
Madagascar Swift
Soft twittering with delicate clicking elements; light, airy notes tumbling quickly in loose sequence near water sources.
Alpine Swift
Rapid series of short, clipped whistles; bright, clean notes delivered in quick succession with occasional doubled phrase.
Geographic Range & Migration
Madagascar Swift
Found in Madagascar and the Comoro Islands. Resident in open habitats including savanna, coastal areas, and highland grassland.
Alpine Swift
Breeds from southern Europe and North Africa east through Central Asia and the Himalayas to India. Migratory; winters in sub-Saharan Africa.
保全状況
Madagascar Swift
Alpine 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 …
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
Madagascar Swift
マダガスカルアマツバメはマダガスカルとコモロ諸島に分布し、島嶼固有のアマツバメとして知られる。
Alpine Swift
アルプスアマツバメはヨーロッパの山岳地帯と岩壁に繁殖し、白い腹と大きな体が特徴的な長距離渡り鳥である。