The Javan munia (Lonchura leucogastroides) is a species of estrildid finch found in Southern Sumatra, Java, Bali and Lombok, Indonesia. Introduced in Singapore and S Malay Peninsula; possibly introduced in Sumatra. It is found in subtropical/ tropical dry shrubland and grassland habitat. The status of the species is evaluated as Least Concern.They are known to feed on algae.