Sal forest dominated Barandabhar forest contains 22 species of mammals including tiger, rhinoceros, Asian elephant, sloth bear, wild boar, sambar deer, spotted deer, hog deer, barking deer and 280 species of birds including giant hornbill, hill myna, and storks. It is a critical habitat for many species of migratory birds (e.g., Siberian crane), aquatic birds, and mugger crocodile. More than 45 species of herpeto fauna represented by frog, toad, lizards, python and crocodile are found in Barandabhar Corridor Forest (Resource Himalaya 2000 and KMTNC 2002).