Spread over an area of about 6000 sq. km. of delatic swamps along the coastal belt of khulna, is the world biggest mangrove forest, the sundarbans-The home of Royal Bangal Tiger. These dense mangrove forests are crossed by a network of rivers and creek. Often Tiger swimming across a river and huge crocodiles basking in the sun with other wildlife such as cheetahs, spotted deer's, monkeys, Paythons, Wild bears and hyaenas.