Common breeder in wetlands. Prefers wet meadows, drier parts of reedbeds, shorelines of fishponds and paddy fields. The breeding population moderately declined (2.8 ± 1.7%, p<0.05) between 1999 and 2018. Migratory (late March – late October), migration peaks in mid-April and at the turn of July and August as well as late August.