This small swift flies over the lowlands of New Guinea, catching insects in the air above forests and their edges.
Its head and upperparts are glossy blue-black, while the belly and undertail coverts are whitish. A pale stripe crosses the dark underwing. Small spines extend from the tail tip.
It catches flying insects in pairs or small flocks and is most active at dawn and dusk. It nests in a high tree hollow.
IUCN Red List · Least Concern (LC) · Global