Sundarban Tiger Reserve is a UNESCO Heritage site spread over 10,000 acres, based on the richest mangrove forest in the world. Here at least 78 varieties of mangroves are found. The forest houses exotic plants and trees like Hargoja, Jat Baine, Son Champa,Kankra, Sundari, Tora, Khalsa, Hoya, Goria, Hental,and Genwa, Besides several local and migratory birds, the tiger reserve is the dwelling place of a wide variety of animals, including the Royal Bengal tiger, Fishing Cat, Spotted Deer, Wild Boar, and The Fiddler Crab, Crocodiles, Reptiles, Marine Turtles, and Water Monitor Lizard, etc.