Alpine Swift vs Madagascar Spinetail
Tachymarptis melba so với Zoonavena grandidieri
Side-by-Side Comparison
| Thuộc Tính | Alpine Swift | Madagascar Spinetail |
|---|---|---|
| Tên Khoa Học | Tachymarptis melba | Zoonavena grandidieri |
| Bộ | Caprimulgiformes | Caprimulgiformes |
| Họ | Apodidae | Apodidae |
| Tình Trạng Bảo Tồn | Least Concern | Least Concern |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 43,9 cm (17.3 in) | 24,9 cm (9.8 in) |
| Khối Lượng | 97,5 g (3.44 oz) | 9,25 g (0.33 oz) |
| Chế Độ Ăn | Aerial insectivore taking small flying insects and spiders; may forage at great heights following thermal … | Obligate aerial forager on small insects and airborne spiders; among the fastest-flying of all swift … |
| Số Trứng | 1-4 | -- |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Alpine Swift
Rapid series of short, clipped whistles; bright, clean notes delivered in quick succession with occasional doubled phrase.
Madagascar Spinetail
Rapid, high-pitched chittering calls in flight; thin, insect-like trilling notes delivered in quick bursts above forest canopy.
Geographic Range & Migration
Alpine Swift
Breeds from southern Europe and North Africa east through Central Asia and the Himalayas to India. Migratory; winters in sub-Saharan Africa.
Madagascar Spinetail
Endemic to Madagascar. Resident in forest edge and open areas across the island. Nests in hollow palms and rock crevices.
Tình Trạng Bảo Tồn
Alpine Swift
Madagascar Spinetail
How to Tell Them Apart
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 …
Madagascar Spinetail
Tiny; dark brown-black upperparts; contrasting white rump patch; underparts pale whitish; short spiny tail; Malagasy endemic; white rump is the most diagnostic feature, recalling swiftlets but with characteristic spinetail tail …
About These Birds
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.
Madagascar Spinetail
A medium-sized spinetail swift (12-13 cm) endemic to Madagascar. Dark plumage with a pale rump and short, spine-tipped tail. Aerial insectivore, foraging over forest and woodland. Nests in tree hollows. Found throughout Madagascar's remaining forested areas.