Band-rumped Swift vs Alpine Swift
Chaetura spinicaudus so với Tachymarptis melba
Side-by-Side Comparison
| Thuộc Tính | Band-rumped Swift | Alpine Swift |
|---|---|---|
| Tên Khoa Học | Chaetura spinicaudus | Tachymarptis melba |
| Bộ | Caprimulgiformes | Caprimulgiformes |
| Họ | Apodidae | Apodidae |
| Tình Trạng Bảo Tồn | Least Concern | Least Concern |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 20,7 cm (8.1 in) | 43,9 cm (17.3 in) |
| Khối Lượng | 16,4 g (0.58 oz) | 97,5 g (3.44 oz) |
| Chế Độ Ăn | 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 … |
| Số Trứng | -- | 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.
Tình Trạng Bảo Tồn
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
A small swift (11 cm) of lowland forests from Costa Rica to Brazil. Dark plumage with a conspicuous pale rump band. Spine-tipped tail. Aerial insectivore, foraging in flocks over forest canopy. Often seen near rivers and forest edges. Nests in hollow trees.
Alpine Swift
A large swift (20-22 cm, wingspan 54-60 cm) with a white belly and throat contrasting with dark brown upperparts. Found from southern Europe and Africa to Central Asia. Aerial insectivore, foraging at great heights. Nests on cliff faces in large colonies. Powerful, fast flier.