South India holds some interesting Wildlife Parks Mostly Seeing Tigers,Elephants,Leopard,Wild dogs,Spotted Deer, Nilgiri tahr,Sambar deer,Gaur, Sloth bear,Wild boar and Gray langur. All national Parks located at western ghats and very cool climate all around year.
Why south India special for wildlife?  the answer is Four National parks situated around 150KM only. Just 2 days we complete 4 National parks.

Bandipur National Park 874 km2 (337 sq mi), Nagarhole National Park (643 km2 (248 sq mi)), Mudumalai National Park (320 km2 (120 sq mi)) and Wayanad Wildlife Sanctuary (344 km2 (133 sq mi)) totaling 2,183 km2 (843 sq mi) making it the largest protected area for Tigers in southern India and largest habitat of wild elephants in south Asia.

Most Important National Parks in South India :

Mudumalai National Park :
Mudumalai National Park and also known as Mudumalai Tiger Reserve located in Nilgiri District Tamilnadu. There are 44 to 80 tigers in the Mudumalai forest and also sighting of Indian elephant, gaur and Indian leopard.

Bandipur National Park :
Bandipur Tiger Reserve and National Park named for highest tiger population in India. The Bandipur Tiger Reserve along with Nagarahole, Mudumalai, Sathyamangalam & Wayanad Landscape estimated Tiger population of about 382 (2011). Bandipur supports a good population of Indian elephants, gaur, tigers, sloth bears,four-horned antelopes, jackals and dholes.

Nagarhole National Park :
Nagarhole National Park also known as Rajiv Gandhi National Park along with the adjoining Bandipur Tiger Reserve, The Kabini reservoir separates the two parks.The important predators in Nagarhole National Park are the Bengal tiger, Indian leopard, Wild dogs, sloth bear and the striped hyena.

Wayanad Wildlife Sanctuary :
Wayanad Wildlife Sanctuary located very nearest to Bandipur National Park and Mudumalai National Park. Wayanad Wildlife Sanctuary is the second largest wildlife sanctuary in Kerala and Most Sightings of Elephants, tigers, panthers, monkeys, wild dogs, bison, deer and Sloth bears.