A resident swiftlet of Timor and other Lesser Sunda islands, it uses forest and dense vegetation and feeds on invertebrates.
Its upperparts and underparts are pale and muted, with a bluish cast above. It usually has a dull lore spot and a feather tuft on the hind toe.
It remains in forest and dense vegetation year-round and feeds on invertebrates.
Birds on the inner island arc, including Alor and Wetar, have darker, glossier backs than birds on Timor and Sawu.
An extinction-risk assessment has not been added yet.