ENIDDENL
Wildlife of Borneo

Edible-nest swiftlet

Aerodramus fuciphagus

Aerodramus fuciphagus is a small swiftlet documented at Gomantong, Sabah, where species identity matters because several similar cave-nesting birds occur together.

Species details & taxonomy
Species
Aerodramus fuciphagus
Genus
Aerodramus
Family
Apodidae
Order
Apodiformes
Class
Aves
Mounted museum specimen of Aerodramus fuciphagus in Genoa, Italy.
Edible-nest swiftlet (Aerodramus fuciphagus), a museum specimen in Genoa, Italy.Hectonichus · Wikimedia Commons · CC BY-SA 4.0 · Original

Recognition

The white nest is formed principally from hardened saliva. Dark birds in flight are easily confused with other swiftlets; a cave photograph or an undifferentiated colony is not a reliable species portrait.

Sources & references · 1Raffles Bulletin of Zoology / Goh et al. / National University of Singapore · Genetic diversity among white-nest swiftlets of the genus Aerodramus of house-farms in Malaysia

Daily life

Swiftlets catch airborne arthropods, and Gomantong dietary samples explicitly include this species. Echolocation helps cave-nesting swiftlets avoid obstacles in darkness; it should not be confused with bat-like prey detection.

Sources & references · 2Notornis 68(1) / Birds New Zealand · Arthropods in the diets of swiftlets in SabahJournal of Avian Biology / Price, Johnson and Clayton; University of Utah repository · The evolution of echolocation in swiftlets

Range and local records

A molecular study lists Gomantong vouchers identified as A. fuciphagus vestitus. This directly supports the Sabah locality under the species concept used here, without treating all Bornean nest caves as interchangeable records.

Sources & references · 2Journal of Avian Biology / Price, Johnson and Clayton; University of Utah repository · The evolution of echolocation in swiftletsIOC World Bird List · IOC species updates: Germain’s Swiftlet lumped with Edible-nest Swiftlet

Forest and water

Natural colonies depend on suitable cave nesting surfaces, while food is obtained outside. Cave ecosystems and limestone karst provide the relevant local context; managed house colonies are a different setting from wild Gomantong birds.

Sources & references · 2Journal of Avian Biology / Price, Johnson and Clayton; University of Utah repository · The evolution of echolocation in swiftletsRaffles Bulletin of Zoology / Goh et al. / National University of Singapore · Genetic diversity among white-nest swiftlets of the genus Aerodramus of house-farms in Malaysia

Conservation outlook

Uncontrolled harvesting threatens wild colonies. Successful breeding depends on retaining occupied nests and suitable colony conditions. Expanding managed house colonies does not by itself demonstrate that natural cave populations are secure or recovering.

Sources & references · 2Oryx / study authors · Protection of the white-nest swiftlet in the Andaman Islands, India: an assessmentRaffles Bulletin of Zoology / Goh et al. / National University of Singapore · Genetic diversity among white-nest swiftlets of the genus Aerodramus of house-farms in Malaysia

Aerial food gathered into a bundle

A historical Penang study examined regurgitated foodballs rather than guessing diet from birds in flight. Flying ants and mayflies contributed much of the food mass; tiny fig wasps were numerous. This demonstrates aerial insect feeding, while the prey proportions belong to that colony and period, not every Bornean forest.

Sources & references · 1Langham / Ibis · Breeding biology of the edible-nest swiftlet Aerodramus fuciphagus

Where to look

A recorded occurrence does not guarantee a sighting or visitor access. Read the area and experience guides for habitat, responsible observation, guiding and current access before choosing a trip. Keep wildlife at a distance and follow local restrictions.

Places with documented occurrence

Related discoveries

Habitats

Destinations

Primary rainforest in Danum Valley.
Destinations

Borneo

Borneo rewards a journey built around a few contrasting places: a river city, a forest stay, a highland community or an island coast. Indonesia, Malaysia and Brunei share the island, but each part has its own gateways, languages and travel arrangements. Start by choosing the landscapes and experiences that matter most to you; the country and regional guides below turn that choice into a workable route. Sabah combines mountain, forest and sea journeys, Sarawak connects river towns with caves and living heritage, Kalimantan opens five very different provinces, and Brunei offers a compact capital-and-rainforest combination. You can enjoy a substantial first trip within just one of these regions. Seeing the whole island is a much larger undertaking.

Gido (gidovd) · Wikimedia Commons · CC BY 2.0 · Cropped · Original

Sources & references

Sadanandan et al. / Ecology and Evolution · Spatial and temporal resource partitioning in a mixed-species colony of avian echolocatorsAccessed: 2026-10-04

Langham / Ibis · Breeding biology of the edible-nest swiftlet Aerodramus fuciphagusAccessed: 2026-10-04

Notornis 68(1) / Birds New Zealand · Arthropods in the diets of swiftlets in SabahAccessed: 2026-10-02

Oryx / study authors · Protection of the white-nest swiftlet in the Andaman Islands, India: an assessmentAccessed: 2026-10-02

IOC World Bird List · IOC species updates: Germain’s Swiftlet lumped with Edible-nest SwiftletAccessed: 2026-10-02

Raffles Bulletin of Zoology / Goh et al. / National University of Singapore · Genetic diversity among white-nest swiftlets of the genus Aerodramus of house-farms in MalaysiaAccessed: 2026-10-02

Journal of Avian Biology / Price, Johnson and Clayton; University of Utah repository · The evolution of echolocation in swiftletsAccessed: 2026-10-02

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