The paddyfield warbler is a species of marsh warbler. It breeds in temperate central Asia. It is migratory, wintering in Pakistan and India. It is a rare vagrant to western Europe although there are small breeding populations along the western shores of the Black Sea around the border between Bulgaria and Romania. This passerine bird is a species found in low vegetation such as long grass, reeds and rice. 4-5 eggs are laid in a nest in grass.