White-tipped Swift vs Alpine Swift
Aeronautes montivagus 比較対象 Tachymarptis melba
Side-by-Side Comparison
| 属性 | White-tipped Swift | Alpine Swift |
|---|---|---|
| 学名 | Aeronautes montivagus | Tachymarptis melba |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Apodidae | Apodidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 23.0 cm (9.1 in) | 43.9 cm (17.3 in) |
| 体重 | 20.21666666666667 g (0.71 oz) | 97.5 g (3.44 oz) |
| 食性 | Obligate aerial feeder on small insects and arachnids; catches prey in a wide gape during … | Aerial insectivore taking small flying insects and spiders; may forage at great heights following thermal … |
| 一腹卵数 | 4-5 | 1-4 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
White-tipped Swift
High, pure whistle fading to sibilant ending; soft series of descending notes with slight wavering, rarely heard distinctly.
Alpine Swift
Rapid series of short, clipped whistles; bright, clean notes delivered in quick succession with occasional doubled phrase.
Geographic Range & Migration
White-tipped Swift
Found in the Andes and tepuis of Venezuela, Colombia, Ecuador, Peru, and Bolivia at 500–3,000 m. Resident in montane rocky outcrops.
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
White-tipped Swift
Alpine Swift
How to Tell Them Apart
White-tipped Swift
Dark blackish-brown; white throat and pale flanks; white tips to secondaries forming a white trailing-edge band on wing; smaller than White-throated Swift; Andean species distinguished by white-tipped secondary pattern.
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
White-tipped Swift
A medium-sized swift (13-14 cm) found in montane regions from Mexico to Venezuela and Peru. Dark plumage with white tips on the outer tail feathers. Aerial insectivore, foraging over mountain slopes and cloud forests. Often seen in flocks along steep mountain ridges.
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。