The Marsh Babbler, Pellorneum palustre, is an Old World babbler. The Old World babblers are a large family of passerine birds characterised by soft fluffy plumage. These are birds of tropical areas, with the greatest variety in southeast Asia. Marsh Babbler is endemic to the Brahmaputra floodplain, its associated tributaries and adjacent hill ranges in Assam, Arunachal Pradesh and Meghalaya in India and eastern Bangladesh.