It occurs in all wetlands including coastal areas and large rivers all over the country, in all larger islands as well as in open sea water
Environment:
Marine, Freshwater, Terrestrial
Main References:
Siddiqui KU, Islam MA, Kabir SMH, Ahmad M, Ahmed ATA, Rahman AKA, Haque EU, Ahmed ZU, Begum ZNT, Hassan MA, Khondker M, Rahman MM (eds.) (2008) Encyclopedia of Flora and Fauna of Bangladesh, Vol. 26. Birds. Asiatic Society of Bangladesh, Dhaka. 662 pp.
Other References:
WCS (2018) Proposal for a new marine protected area around Nijhum Dwip (version 2): A major step towards achieving 10% marine protection in Bangladesh Wildlife Conservation Society Bangladesh Program
IUCN Bangladesh. 2015. Red List of Bangladesh Volume 3: Birds. IUCN, International Union for Conservation of Nature, Bangladesh Country Office, Dhaka, Bangladesh, pp. xvi+676.