; class Aves, order Caprimulgiformes)
A family of grey, brown, and black, cryptically coloured birds which have long wings and tails, small bills, large gapes, and no rictal bristles. They are nocturnal, inhabit open forest, feed on insects, and nest in tree crevices. There is one genus, Nyctibius, with five species, found in Central and S. America.
Subjects: Zoology and Animal Sciences.