The correct answer is c) Elephants.
Periyar National Park is a national park in the Western Ghats mountains of Kerala, India. It is renowned for its elephants, which can be seen in large herds throughout the park. The park is also home to a variety of other wildlife, including tigers, leopards, deer, monkeys, and birds.
Option a) Tigers are not as common in Periyar National Park as elephants. Tigers are typically solitary animals, and they are more difficult to spot than elephants.
Option b) Lions are not found in Periyar National Park. Lions are native to Africa, and they are not found in India.
Option d) Rhinos are not as common in Periyar National Park as elephants. Rhinos are typically solitary animals, and they are more difficult to spot than elephants.