Grey-bellied cuckoo, Indian plaintive cuckoo (Cacomantis passerinus)

Cacomantis passerinus is a species in the Cacomantis genus. It is commonly known as Grey-bellied cuckoo, Indian plaintive cuckoo This name is unplaced name for the species in the family Cuculidae subfamily Cuculinae, tribe Cuculini, . . This species is found in tropical southern Asia from India and Sri Lanka to south China and Indonesia.