The Bundala National Park is one of the famous attractions in Sri Lanka for watching migratory birds. It is renowned for its aquatic bird-life, which feeds on the rich harvests provided by the numerous lagoons throughout the park.
The Bundala National Park has been identified as an outstanding Important Bird Area in the South Indian and Sri Lankan wetlands.
324 species of vertebrates have been recorded in the national park, which include 32 species of fish, 15 species of amphibians, 48 species of reptiles, 197 species of birds and 32 species of mammals. The highlight of these species is the Greater Flamingo, which migrate in large flocks.
Bundala also contains a small patch of mangrove in the Bundala lagoon area.
The forest is an important habitat for the endangered Sri Lankan Elephant, the largest sub-species of Asian Elephant.
The Sri Lankan Sambar Deer, Sri Lankan Leopard, Wild boar, Indian Gray Mongoose, Sri Lankan Sloth Bear, Sri Lankan Axis Deer, Small Indian Civet, Golden Jackal, and Indian Crested Porcupine are the other mammals found in the park.