(Leptosomus discolor), little-known bird of Madagascar and the neighbouring Comoros, named for its superficial resemblance to cuckoos but usually deemed the sole member of the family Leptosomatidae (sometimes treated as a subfamily of the Coraciidae 【rollers】). It is about 43 cm (17 inches) long. Males are iridescent green above and gray below; females are brown above with tan and black spots below.