These are small, plump, gregarious passerinebirds. They frequent open grassland and cultivation and feed mainly on grain and other seeds, including rice.
Both species have white-cheeked black heads and thick bills. The sexes are similar, but immature birds have brown upperparts and paler brown underparts and cheeks.
The call of both species is a chip, and the song is a raid series of call notes chipchipchipchipchipchip.
Java Sparrow is a popular cagebird, and has been introduced in a large number of other countries. Both Padda species are threatened by trapping for the cage bird trade.