Australian Swiftlet vs African Palm Swift

Aerodramus terraereginae compared with Cypsiurus parvus

Side-by-Side Comparison

Attribute Australian Swiftlet African Palm Swift
Scientific Name Aerodramus terraereginae Cypsiurus parvus
Order Caprimulgiformes Caprimulgiformes
Family Apodidae Apodidae
Conservation Status Least Concern Least Concern
Length — —
Wingspan 22.2 cm (8.7 in) 27.2 cm (10.7 in)
Weight 11.2 g (0.40 oz) 14.38 g (0.51 oz)
Diet Aerial insectivore catching tiny flying insects, midges, and airborne spiders in fast low-altitude flight near … Exclusively aerial diet; consumes tiny flying insects and spiders, sometimes following insect swarms for km.
Clutch Size 1 1-3
Population Trend — —

Habitat Comparison

Shared Habitats

Australian Swiftlet only

None

African Palm Swift only

Song & Call Comparison

Australian Swiftlet

Song

Rapid, chattering 'tsit-tsit'; thin twittering over Queensland coast; audible echolocation clicks in cave roosts; flock produces overlapping calls; only Australian cave-nesting swiftlet

African Palm Swift

Song

Deep, hollow churring trill with resonant bass quality; prolonged vibrating call audible at significant range in open woodland.

Geographic Range & Migration

Australian Swiftlet

Found in northeastern Australia and New Guinea. Resident in lowland rainforest, forest edge, and open areas. Nests in caves and overhangs.

African Palm Swift

Found across sub-Saharan Africa from Senegal east to Somalia and south to South Africa. Common in open areas near palms; nests in palm leaves.

Conservation Status

Least Concern

Australian Swiftlet

Least Concern

African Palm Swift

How to Tell Them Apart

Australian Swiftlet

Plumage

Small; dark grey-brown upperparts; pale grey-white rump band; underparts pale greyish; forked tail; Australian cave-nesting endemic using echolocation; closely resembles White-rumped Swiftlet but with narrower paler rump band.

African Palm Swift

Plumage

Slender and long-tailed; uniformly pale greyish-brown overall; underparts paler grey-buff; long deeply forked tail; pale uniform appearance with no contrasting markings; widespread African palm-nesting swift with distinctive slender silhouette.

About These Birds

Australian Swiftlet

A small swiftlet (11-12 cm) found in northeastern Australia and the Torres Strait Islands. Grey-brown plumage with a pale rump. Aerial insectivore, foraging over rainforest and woodland. Colonial nester in caves and abandoned mines. Uses echolocation. Australia's only breeding swiftlet.

African Palm Swift

A slender swift (15-17 cm) with long, narrow wings and a deeply forked tail. Dark brown plumage. Found across sub-Saharan Africa in savanna and open woodland, closely associated with palm trees. Aerial insectivore. One of Africa's most abundant swift species.

More Birds to Explore