The major wildlife species found in the wildlife sanctuary are: tiger, panther, wild dog, lion tailed macaque, elephant, gaur, sambhar, barking deer, mouse deer, wild boar, Nilgiri langur, Malabar squirrel etc. The bird species especially the water birds like darter, little cormorant, pied king fisher and egrets are most commonly seen in the sanctuary. Several species of snakes including the king cobra and python are dominantly present in this sanctuary. The Peppara Wildlife Sanctuary is also famous for its wide variety of moth and butterflies. Apart from the wildlife, there are 13 tribal settlements in the Peppara Wildlife Sanctuary.

The forest areas in the wildlife sanctuary mainly consist of three major forest belts Southern hilltop tropical evergreen forests found atop the hills with an elevation of above 1000m; West coast semi- evergreen forests that occur mostly on the hills with an elevation of 150 to 1050m; Southern moist mixed deciduous forests cover more than 60% of the area and occupy the lower slopes of the hills.

How To Reach Peppara Wildlife Sanctuary
By Air : The nearest airport is Thiruvananthapuram (32 Kms) from where frequent and regular buses are available for Peppara Wildlife Sanctuary. You can also board a flight to your desired destination after returning from the wildlife sanctuary.

By Rail : The nearest railhead from the sanctuary is Thiruvananthapuram, which is well connected with Chennai, Mumbai, Delhi and even Kashmir. The buses are available for the sanctuary from Trivandrum. From Trivandrum you can also board a train to depart to your desired destination.

By Road : Peppara wildlife sanctuary is easily and conveniently accessible from Vithurai on Thiruvananthapuram - Ponmudi road.