E. J. O. Hartert and Butler, 1901,
Semangko Pass, Selangor, Malaysia.
Large size and differences in breeding biology favour generic isolation of present species, although some authors have regarded these differences as marginal and of doubtful taxonomic significance; others suggest that present species may not be closely related to the swiftlet genera. DNA and other studies inconclusive; while one phylogenetic analysis indicated that present species and Aerodramus papuensis are sister taxa#R, its precise taxonomic position remains to be determined#R#R. Monotypic.
Mountainous areas of Peninsular Malaysia, Sumatra and W Java; few records from Borneo.
Food and feeding
Status and conservation
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