The Java sparrow (Lonchura oryzivora), also known as Java finch, Java rice sparrow or Java rice bird, is a small passerine bird. This estrildid finch is a resident breeding bird in Java, Bali and Bawean in Indonesia. It is a popular cage bird, and has been introduced in a large number of other countries. Some taxonomists place this and the Timor sparrow in their own genus Padda.
The Java sparrow is about 15–17 cm in length from the beak to its tip of tail feathers. The adult is unmistakable, with its grey upperparts and breast, pink belly, white-cheeked black head, red eye-ring, pink feet and thick red bill.
Both sexes are similar. Immature birds have brown upperparts and pale brown underparts, and a plain head. Very young birds have a black beak with a pink base.
The call is a chip, and the song is a rapid series of call notes chipchipchipchipchipchip.
The Java sparrow (Padda oryzivora/Lonchura oryzivora) might be considered a Lonchura species according to both the BI and ML trees. This is an Estrildinae bird which may have originated in India and dispersed thereafter (towards Africa and Pacific Ocean habitats).