Hidden Compass - An ancient species is hatching generations of conservationists

Thousands of people visit Elliot’s Beach every evening. Some of them come for the cool sea breeze, some to socialize, others for the food, or to bring their children out to play. In a metropolis of nine million people, the beaches are overrun. But humans aren’t the only visitors.

For a few months every year, between December and March, nighttime visitors from the deep swim out of the darker, quieter waters of the ocean and lumber through the sand. They’re on a mission — one that has remained unchanged for 100 million years.