Apart from the main attraction of one horned rhinoceros the park has elephants, wild buffalo , swamp deer, hog and barking deer, hoolock gibbon, pythons, civet cat, wild boar and royal Bengal tigers. There is a rich variety of more than 400 species of birds some of which are endangered.
Birds like the egrets, pond herons, river tern, black necked storks, pelican, partridges, stork, pied horn bill, fishing eagle are found in plenty making the national park paradise for bird watching. The river is the home of the gharial the fish eating crocodile and dolphins.
