This swift has blackish plumage and a pale gray chin. It catches insects on the wing above forests and gorges in Central and South America.
It has blackish plumage, a pale gray chin, and a relatively short, square-ended tail.
It uses lowland and montane evergreen forest, with gorges and waterfalls used for roosting and nesting. It catches flying insects, including flying ants, while in flight.
At Brazil’s Asframa Falls in March 2012, two spray-damp nests of moss, rootlets and mud each held one opaque white egg.
Five adult stomachs from that site included two empty ones; the other three held 36 prey items, including winged ants and psyllids.
A young chick found there in August 2013 had closed eyes, dark sooty-gray down and sheathed forehead feathers.
An extinction-risk assessment has not been added yet.