Rhynochetidae (kagu; class Aves, order Gruiformes) A monospecific family (Rhynochetos jubatus) which is a large, grey bird with black, white, and chestnut, barred wings. It has a long, loose crest, a long, sharp, slightly decurved, red bill, and long, red legs with a raised hind toe. It has rounded wings, and a medium-length tail. It is nocturnal, terrestrial, and probably flightless, inhabits forests, feeds on worms, insects, and other animals, and nests on the ground. It is found in New Caledonia.