This swift was described from Bioko Island, Equatorial Guinea, formerly called Fernando Po. Its species account identifies it as an aerial invertebrate feeder.
The historical description gives sooty-black upperparts and a dusky throat with little or no whitish plumage.
The species account lists forest, open country and rocky places as habitats, and describes it as feeding on airborne invertebrates.
An extinction-risk assessment has not been added yet.