Das beside throwing ample light on the bio-diversity aspects of the sanctuary said that some of the rare features that best describe the sanctuary may be summed up thus, “The place is home to more than 550 hoolock gibbons, has 204 wild elephants, is the abode of the Critically Endangered White Winged Wood Duck, the State Bird of Assam. It has the Royal Bengal Tiger, a large number of leopards and lesser cats of around nine species. It is also home to at least 350 different species of butterflies, 650 species of moths and 350 species of birds. It also houses innumerable rare orchids, ferns, climbers, medicinal and aromatic plants. It also has 47 different species of mammals, highest for any protected area of the country, reptiles (snakes-47 species, 16 species of lizards, tortoise and turtles of 15 species). The belt also has amphibians of 24 species, beetles of more than 200 species and more than 500 species of spiders. Amidst the orchids with more than 101 species, the critically endangered tree– Vatica lanceaefolia (Mor Sal) is also found here.
Adventurous tours and family picnics are conducted at the bank of Dihing river, Dillighat and Sitakunda and educational tours are conducted to ethnic tribal villages like Namphakey village, Nocte Gaon, Ahom villages, Tea-community villages and Nepali villages 2-3 km away.
There are also ethnic pilgrimage and historical place tours to the capital of first Ahom king Chaolung Sukapha, Deohalee Pahar, Dighalighat, Nagaghat and Sitakunda. There are many other sightseeing spots nearby.