Madagascar Swift vs White-collared Swift
Apus balstoni 比較対象 Streptoprocne zonaris
Side-by-Side Comparison
| 属性 | Madagascar Swift | White-collared Swift |
|---|---|---|
| 学名 | Apus balstoni | Streptoprocne zonaris |
| 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) | 42.5 cm (16.7 in) |
| 体重 | 46.125 g (1.63 oz) | 106.45 g (3.75 oz) |
| 食性 | Feeds exclusively on aerial plankton — tiny flies, aphids, and spiders — captured in continuous … | Obligate aerial insectivore; gathers small flying insects, winged ants, and airborne spiders during flight. |
| 一腹卵数 | 1-2 | 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-collared Swift
Loud, screaming 'shreee-shreee'; powerful screeching trill; calls from large flocks over mountains; very audible; one of the loudest Neotropical swifts; alarm a harsh rattle
Geographic Range & Migration
Madagascar Swift
Found in Madagascar and the Comoro Islands. Resident in open habitats including savanna, coastal areas, and highland grassland.
White-collared Swift
Found from Mexico south through Central America to South America east of the Andes, reaching Bolivia and southern Brazil. Often in large flocks.
保全状況
Madagascar Swift
White-collared 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-collared Swift
Large; glossy blue-black plumage with bold broad white collar encircling entire neck; collar clean and complete; underparts black; large slightly forked tail; among the most recognisable Neotropical swifts due to …
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。
White-collared Swift
ホワイトカラードスウィフトはラテンアメリカ全域の山岳地帯に広く分布し、白い首輪が特徴的な大型のアマツバメである。