Papuan Swiftlet vs Pallid Swift
Aerodramus papuensis compared with Apus pallidus
Side-by-Side Comparison
| Attribute | Papuan Swiftlet | Pallid Swift |
|---|---|---|
| Scientific Name | Aerodramus papuensis | Apus pallidus |
| Order | Caprimulgiformes | Caprimulgiformes |
| Family | Apodidae | Apodidae |
| Conservation Status | Data Deficient | Least Concern |
| Length | — | — |
| Wingspan | 26.5 cm (10.4 in) | 33.4 cm (13.1 in) |
| Weight | 20.4 g (0.72 oz) | 42.25 g (1.49 oz) |
| Diet | Feeds aerially on tiny flying insects and drifting spiders; often forages in mixed-species flocks over … | Aerial insectivore foraging continuously in flight, taking tiny flies, beetles, and ballooning spiders. |
| Clutch Size | -- | 1-4 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Papuan Swiftlet
High thin twittering; 'tsit-tsit' over New Guinea; echolocation clicks used in cave roosts; larger than many swiftlets; slightly deeper calls; data deficient in recordings
Pallid Swift
Melodic, rolling trill with rich timbre; sustained musical phrase with slight variations on repeated delivery at dusk.
Geographic Range & Migration
Papuan Swiftlet
Found in lowland New Guinea and the Bismarck Archipelago. Resident in lowland rainforest and forest edge. Little-known Papuan endemic.
Pallid Swift
Breeds in the Mediterranean and North Africa east to Pakistan. Migratory; winters in sub-Saharan Africa from Senegal to Ethiopia.
Conservation Status
Papuan Swiftlet
Pallid Swift
How to Tell Them Apart
Papuan Swiftlet
Small; dark brownish-grey upperparts; pale grey rump band; underparts pale grey; forked tail; New Guinea swiftlet; large for the genus; data-deficient with limited specimens; rump band moderately contrasting with 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
Papuan Swiftlet
A small swiftlet (11-12 cm) found in lowland and hill forests of New Guinea. Dark plumage with a slightly pale rump. Aerial insectivore. Colonial cave nester using echolocation. Closely related to the Edible-nest Swiftlet. Limited published ecological data.
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.