Indian Swiftlet vs Pallid Swift
Aerodramus unicolor dibandingkan dengan Apus pallidus
Side-by-Side Comparison
| Atribut | Indian Swiftlet | Pallid Swift |
|---|---|---|
| Nama Ilmiah | Aerodramus unicolor | Apus pallidus |
| Ordo | Caprimulgiformes | Caprimulgiformes |
| Famili | Apodidae | Apodidae |
| Status Konservasi | Least Concern | Least Concern |
| Panjang | — | — |
| Rentang Sayap | 22,7 cm (8.9 in) | 33,4 cm (13.1 in) |
| Berat | 11,0 g (0.39 oz) | 42,25 g (1.49 oz) |
| Diet | Tiny aerial insectivore taking small flying insects and spiders; congregates where insects emerge over water. | Aerial insectivore foraging continuously in flight, taking tiny flies, beetles, and ballooning spiders. |
| Ukuran Sarang | 2 | 1-4 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Indian Swiftlet
Rapid, thin twittering; 'tsit-tsit' calls over South Indian hills; audible echolocation clicks in cave roosts; colonial; calls softly in flight; noisy at roost entrances
Pallid Swift
Melodic, rolling trill with rich timbre; sustained musical phrase with slight variations on repeated delivery at dusk.
Geographic Range & Migration
Indian Swiftlet
Found in Sri Lanka and southwestern India. Resident in hills and lowlands, nesting in rock crevices on cliff faces up to 2,000 m elevation.
Pallid Swift
Breeds in the Mediterranean and North Africa east to Pakistan. Migratory; winters in sub-Saharan Africa from Senegal to Ethiopia.
Status Konservasi
Indian Swiftlet
Pallid Swift
How to Tell Them Apart
Indian Swiftlet
Small; uniformly dark blackish-brown throughout with minimal gloss; rump barely paler than back or concolorous; underparts dark grey-brown; forked tail; South Indian and Sri Lankan endemic with exceptionally uniform dark …
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 …
About These Birds
Indian Swiftlet
A small swiftlet (11-12 cm) found across the Indian subcontinent and Sri Lanka. Dark grey-brown plumage with slightly paler underparts. Aerial insectivore, foraging over forests, towns, and agricultural land. Colonial nester in caves and buildings. Uses simple echolocation clicks.
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.