In the entire region of Northern Karnataka Dandeli WLS and Anshi NP are the only two protected areas located in lush green and diverse forest area. These protected areas are contiguous to each other and together constitute the Tiger Reserve.

These areas are home to rare endemic flora and fauna. The largest Indian butterfly – Southern Birdwing to the endemic Malabar Tree Nymph are found in good population in these woods. The major part of the fauna found is of typical South Indian type Carnivorous. The important fauna includes Tiger, Leopard, Wild dog, Jackal, Elephant, Gaur, Sambar Deer, Spotted Deer, Barking deer, Mouse Deer, Sloth Bear, Hanumaan Langoor, Bonnet Macaque, Malabar Giant Squirrel, Flying Squirrel, Pangolin, etc.

A paradise for bird watchers. Dandeli-Anshi acknowledges the presence of at least 272 bird species belonging to 45 families of which 19 species are endemic. Interesting birds include Malabar Trogon, Great Pied Hornbill, Malabar Pied Hornbill and Ceylon Frogmouth.

Anshi NP comprises of mostly tropical evergreen and semi-evergreen type of forests and hence not so rich in large mammals. However, it is a treasure house for small mammals, reptiles, amphibians, butterflies, orchids, birds, ferns, medicinal herbs and insects. The King Cobra, Python, Cobra, Rat Snake, Vipers (Bamboo Pit Viper, Hump-nosed Pit Viper, Malabar Pit Viper, etc), Ornate flying snake, wolf snake and Kraits are among the snakes that inhabit the Park. Reptiles such as Draco, are also found in quite good number.

Catchment area of river Kali and its tributaries such as Nagazari and Kaneri.

It is adjoining to the existing protected areas of Goa viz., Molem Wildlife Sanctuary, Bondla National Park, etc.