The Sundarbans is a mangrove forest extending from Bangladesh into the hinterlands of West Bengal, India. It has been named as a World Heritage Site by UNESCO. The forest is thick and the area, covered with marshy swamps and salt water. It is home to the Royal Bengal Tiger, of which only 400 are left here. Crocodiles, spotted deers, snakes, primates and many different species of birds can be seen here. Tourists need to have a permit to visit the Sunderbans especially the Tiger Reserve.
Jaldapara Wildlife Sanctuary is located at the Eastern Himalayan foothills in Alipurduar sub-division of Jalpaiguri district in the state of West Bengal. It covers an extensive area of 216 square kilometers and is a maze of grasslands, perennial streams, woods, extensive belts of tall grass and sandy river banks. The beauty of the forest lies in the fact that it is home to an amazingly wide variety of flora and fauna with some endangered species. The one horned rhinoceros in particular is the most famed one inhabiting the forest. Jaldapara was declared to be a wildlife sanctuary in 1914 to preserve the diverse flora and fauna of this land. Rivers Torsha, Malangi, Kalijhora, Sissmara and Chirakhawa have created banks along which the wildlife sustains itself.