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Caroline Swiftlet

Aerodramus inquietus

Least Concern
Wingspan
22.8 cm
Weight
11.0 g
Family
Apodidae
Order
Caprimulgiformes

About

A small swiftlet (10-11 cm) endemic to the Caroline Islands of Micronesia (Pohnpei, Kosrae). Dark plumage. Aerial insectivore, foraging over forest canopy. Colonial cave nester. Restricted to a few high volcanic islands in the western Pacific.

Physical Description

Measurement Value Imperial
Wingspan 22.8 cm 9.0 in
Weight 11.0 g 0.39 oz

Identification

Plumage

Small; dark grey-brown upperparts; pale buff rump band; underparts pale greyish-white; forked tail; Micronesian endemic from Caroline Islands; very similar to Palau Swiftlet but distributed on a distinct island group.

Habitat & Range

Geographic Range

Found across the Caroline Islands of Micronesia including Pohnpei and Chuuk. Resident in lowland forest and cave systems.

Diet & Feeding

Feeds on aerial plankton including tiny flies and spiders; forages in large noisy flocks above forest canopy.

Conservation Status

Least Concern
IUCN Red List

Behavior & Breeding

Nesting

Nest type: CP.

Clutch Size

1-2

Sound

Song

Thin twittering calls; 'tsit-tsit' over Caroline Islands; echolocation clicks in cave roosts; moderate-pitched for swiftlet; produces soft chattering at colonial nesting sites

Taxonomy

Kingdom Animalia
Phylum Chordata
Class Aves
Order Caprimulgiformes (Nightjars & Swifts)
Family Apodidae (Swifts)
Genus Aerodramus
Species Aerodramus inquietus

Distribution

Caroline Swiftlet has been recorded in 1 countries.

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Present Not recorded
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countries highlighted

External Databases

Frequently Asked Questions

What does the Caroline Swiftlet eat?
Feeds on aerial plankton including tiny flies and spiders; forages in large noisy flocks above forest canopy.
Where does the Caroline Swiftlet live?
Found across the Caroline Islands of Micronesia including Pohnpei and Chuuk. Resident in lowland forest and cave systems.
Is the Caroline Swiftlet endangered?
The Caroline Swiftlet has a conservation status of Least Concern.
How does the Caroline Swiftlet nest?
Nest type: CP.
What does the Caroline Swiftlet sound like?
Thin twittering calls; 'tsit-tsit' over Caroline Islands; echolocation clicks in cave roosts; moderate-pitched for swiftlet; produces soft chattering at colonial nesting sites
How big is the Caroline Swiftlet?
The Caroline Swiftlet has a wingspan of 22.8 cm, weight of 11.0 g.
What order and family does the Caroline Swiftlet belong to?
The Caroline Swiftlet (Aerodramus inquietus) belongs to the order Caprimulgiformes and the family Apodidae.

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