60 species of birds belonging to 32 families were recorded in the estuary and associated islands. Family Muscicapidae comprised 10% (6 species) of the total. All other families are represented with a lesser percentage of species. Most families (53.13%) are represented with only one species. Of all the species of birds recorded in this area, 51 (85%) of total are resident where as 9 (15%) are migratory type. Any single island contained less than 60% of all land bird species. The highest number of species (31) is recorded in Meraladuwa, Erawanaduwa harbored the least number which is only 4 species. The striated herons are frequently seen on the kraals (Jakotu). With reference to avifauna, Maduganga estuary offers a diverse habitat for observation of large number oflow land bird species.