The Parsa Wildlife Reserve supports a good population of resident wild elephant, tiger, leopard, sloth bear, gaur, blue bull, and wild dog. Sabai grass, a commercially important species, grows well along southern face of the Churiya hills. Other common animals are Sambar, chital hog deer, barking deer, languor, striped hyena, palm civet and jungle cat. There are nearly 300 species of birds in the reserve. Giant hornbill, peafowl, red jungle fowl, flycatchers and woodpeckers are a few of the other common birds found in the reserve. Many kinds of snakes including king cobra, common cobra, crait, rat snake and python are found in the reserve due to hot tropical climate.