Long wings and gray-brown plumage identify this swiftlet. It glides through the air and builds a nest using moss.
Its plumage is mostly gray-brown, with long wings and a shallow fork at the tail tip. In flight it spreads its wings to glide.
It flies over a range of habitats and may be seen in flocks. Moss is used in its nest.
It catches insects in flight and forages in flocks that may include other swiftlets and swifts.
On Espiritu Santo, Vanuatu, nests were reported about 1–3 m apart.
An extinction-risk assessment has not been added yet.