Böhm's Spinetail vs Alpine Swift
Neafrapus boehmi ile kıyaslandığında Tachymarptis melba
Side-by-Side Comparison
| Özellik | Böhm's Spinetail | Alpine Swift |
|---|---|---|
| Bilimsel Ad | Neafrapus boehmi | Tachymarptis melba |
| Takım | Caprimulgiformes | Caprimulgiformes |
| Familya | Apodidae | Apodidae |
| Koruma Durumu | Least Concern | Least Concern |
| Uzunluk | — | — |
| Kanat Açıklığı | 24,0 cm (9.4 in) | 43,9 cm (17.3 in) |
| Ağırlık | 16,225 g (0.57 oz) | 97,5 g (3.44 oz) |
| Beslenme | Aerial diet of small flying insects and spiders; forages at speed over forest and open … | Aerial insectivore taking small flying insects and spiders; may forage at great heights following thermal … |
| Kuluçka Büyüklüğü | 2-3 | 1-4 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Böhm's Spinetail
Soft, high twittering with delicate sibilant quality; rapid flutter of tiny notes almost insect-like in pitch and rhythm.
Alpine Swift
Rapid series of short, clipped whistles; bright, clean notes delivered in quick succession with occasional doubled phrase.
Geographic Range & Migration
Böhm's Spinetail
Found in Central and East Africa from Cameroon east to Tanzania and Mozambique. Resident in open forest; often associated with baobab trees.
Alpine Swift
Breeds from southern Europe and North Africa east through Central Asia and the Himalayas to India. Migratory; winters in sub-Saharan Africa.
Koruma Durumu
Böhm's Spinetail
Alpine Swift
How to Tell Them Apart
Böhm's Spinetail
Small; dark brown-black upperparts; white rump patch; pale whitish underparts; very short stubby tail with prominent spiny tips; East African savanna species; tiny bat-like fluttering flight aided by extremely short …
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
Böhm's Spinetail
A small swift (9-10 cm) of miombo woodland and open savanna across eastern and southern Africa. Dark plumage with a white rump and belly. Short, spine-tipped tail. Aerial insectivore with distinctive fluttering, bat-like flight low over the treetops.
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.