Parambikulam Wildlife Sanctuary, which is located in the Palakkad district of Kerala, has three man-made reservoirs; Parambikulam, Thunacadavu and Peruvaripallam. The sanctuary is home to four different tribes of indigenous peoples, including the Kadar, Malasar, Muduvar and Maha Malasar. It boasts of 34 rare and endemic species of butterflies.