Vertebrate Fauna of Sagar Island of Sunderban, West Bengal

Sunderban is one of the largest mangrove and a wetland ecosystem with reverien areas, comprises number of rivers, rivulets and creeks. It starts from river hughly in the west to river Meghna in the east. It lies between 87°51'- 92°30' east longitudes and 21°31'-22°30' north latitudes. Out of the total forest area only 4264 sq/km are persist within the Indian limit and the rest is in Bangladesh. It harbors variety of fauna and flora in its unique habitat. It is a feeding and breeding site for estuarine crocodile, water monitor and a landing site for olive ridley turtle.