The olive ridley sea turtle also known as the Pacific ridley sea turtle, is a medium-sized species of sea turtle found in warm and tropical waters, primarily in the Pacific and Indian Oceans. They can also be found in warm waters of Atlantic ocean. The olive ridley turtie has a circumtropical distribution, living in tropical and warm waters of the Pacific and Indian Oceans from India, Arabia, Japan, and Micronesia south to southern Africa, Australia, and New Zealand. In the Atlantic Ocean. Olive ridley turtles are best known for their behaviour of synchronized nesting in mass numbers, termed arribadas. Interestingly, females return to the very same beach from where they first hatched, to lay their eggs. They lay their eggs in conical nests about one and a half feet deep which they laboriously dig with their hind flippers. In the Indian Ocean, the majority of olive ridleys nest in two or three large groups near Gahirmatha in Odisha. The coast of Odisha in India is the largest mass nesting site for the olive ridley.