Band-rumped Swift vs Alpine Swift
Chaetura spinicaudus 比較対象 Tachymarptis melba
Side-by-Side Comparison
| 属性 | Band-rumped Swift | Alpine Swift |
|---|---|---|
| 学名 | Chaetura spinicaudus | Tachymarptis melba |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Apodidae | Apodidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 20.7 cm (8.1 in) | 43.9 cm (17.3 in) |
| 体重 | 16.4 g (0.58 oz) | 97.5 g (3.44 oz) |
| 食性 | Feeds on aerial plankton of tiny insects and spiders; entire diet captured during non-stop aerial … | Aerial insectivore taking small flying insects and spiders; may forage at great heights following thermal … |
| 一腹卵数 | -- | 1-4 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Band-rumped Swift
Raspy, churring call with hollow resonance; rough bursts of chattering notes interrupted by brief mechanical clicking sounds.
Alpine Swift
Rapid series of short, clipped whistles; bright, clean notes delivered in quick succession with occasional doubled phrase.
Geographic Range & Migration
Band-rumped Swift
Found in Panama and northwestern South America from Colombia east to Venezuela and the Guianas, south to Brazil and Bolivia. Lowland 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.
保全状況
Band-rumped Swift
Alpine Swift
How to Tell Them Apart
Band-rumped Swift
Small; sooty-brown overall with narrow pale grey-white rump band forming a distinct narrow transverse stripe; underparts dark grey-brown; short spiny tail; Amazonian species distinguished by the band-like narrow rump patch.
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
Band-rumped Swift
コスタリカからブラジルの低地林に生息する小型アマツバメ（11 cm）。顕著な淡い腰帯を持つ暗い羽衣。棘状の尾。群れで林冠上を飛翔する空中昆虫食性。
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。