This swift occurs in Madagascar and the Comoros. It inhabits open lowland secondary vegetation, uses palms for nesting, and catches insects in flight.
Compared with the African Palm Swift, it has heavier dark markings on the throat and upper breast, a paler belly, and shorter tail extensions.
It catches insects over open lowland secondary vegetation and savanna. Palms are used as nesting sites.
It gives short, insect-like buzzy notes singly at irregular intervals, occasionally producing a drawn-out, somewhat rising buzz.
Vague dark scaling extends onto the pale grey belly, and the undertail coverts are slightly darker than the belly.
An extinction-risk assessment has not been added yet.