Pallid Swift vs Brown-backed Needletail
Apus pallidus مقارنةً بـ Hirundapus giganteus
Side-by-Side Comparison
| السمة | Pallid Swift | Brown-backed Needletail |
|---|---|---|
| الاسم العلمي | Apus pallidus | Hirundapus giganteus |
| الرتبة | Caprimulgiformes | Caprimulgiformes |
| الفصيلة | Apodidae | Apodidae |
| حالة الحفاظ | Least Concern | Least Concern |
| الطول | — | — |
| طول الجناح | 33,4 cm (13.1 in) | 40,6 cm (16.0 in) |
| الوزن | 42,25 g (1.49 oz) | 145,0 g (5.11 oz) |
| النظام الغذائي | Aerial insectivore foraging continuously in flight, taking tiny flies, beetles, and ballooning spiders. | Aerial insectivore feeding on tiny flies, beetles, and ballooning spiders in rapid powerful aerial pursuit. |
| عدد البيض في الوضع | 1-4 | 3-5 |
| Population Trend | — | — |
Habitat Comparison
الموائل المشتركة
بلا
Pallid Swift only
Song & Call Comparison
Pallid Swift
Melodic, rolling trill with rich timbre; sustained musical phrase with slight variations on repeated delivery at dusk.
Brown-backed Needletail
Rough, buzzy chatter with intermittent higher squeaks; coarse twittering delivered continuously throughout aerial foraging.
Geographic Range & Migration
Pallid Swift
Breeds in the Mediterranean and North Africa east to Pakistan. Migratory; winters in sub-Saharan Africa from Senegal to Ethiopia.
Brown-backed Needletail
Found from India and Sri Lanka through Southeast Asia to Borneo and the Philippines. Resident in lowland and hill forest, soaring over ridges.
حالة الحفاظ
Pallid Swift
Brown-backed Needletail
How to Tell Them Apart
Pallid Swift
Medium-large; pale brownish-grey overall, distinctly paler than Common Swift; larger pale throat patch; wing coverts show pale scaly edges; Mediterranean and Middle Eastern species; pale sandy-brown tone separates it from …
Brown-backed Needletail
Very large; dark brown upperparts with bronze gloss; no pale back saddle unlike congeners; white throat patch; white undertail coverts; short spiny tail; largest Hirundapus; brown rather than black overall …
About These Birds
Pallid Swift
A medium-sized swift (16-17 cm) similar to Common Swift but paler, sandy-brown overall with a larger white throat patch. Found across southern Europe, North Africa, and the Middle East. Aerial insectivore. Long-distance migrant wintering in sub-Saharan Africa and South Asia.
Brown-backed Needletail
A very large needletail swift (22-25 cm), the largest swift in Asia. Dark brown plumage with a paler brown back. Spine-tipped tail. Found in montane forests from India to Southeast Asia. Aerial insectivore with powerful flight. Often seen soaring over mountain ridges.