Shane P. White / Leatherback Sea Turtle (Dermochelys coriacea) female returning to sea after egg laying, Trinidad and Tobago, Caribbean

Doug Perrine / Pacific leatherback sea turtle (Dermochelys coriacea) a critically endangered species, Kei ( or Kai ) Islands, Moluccas, eastern Indonesia, Banda Sea, Southwest Pacific Ocean

Shane P. White / Leatherback Sea Turtle (Dermochelys coriacea) females laying eggs on beach at sunset, Trinidad and Tobago, Caribbean

Juergen Freund / Leatherback turtle (Dermochelys coriacea) hatchlings running to the sea from nest. Jamursbamedi, West Papua, Irian Jaya, Indonesia.

Graham Eaton / Leatherback Turtle Hatchling (Dermochelys coriacea) crossing a beach towards the sea at sunrise, Cayenne, French Guiana, July

Graham Eaton,Graham Eaton / A hatchling Leatherback Turtle (Dermochelys coriacea) nearing the waters edge, Cayenne, French Guiana

Kevin Schafer / Leatherback Sea Turtle (Dermochelys coriacea) female laying eggs, Las Baulas National Park, Costa Rica

Mike Parry / Leatherback Sea Turtle (Dermochelys coriacea) on land, Huon Gulf, Papua New Guinea, critically endangered

Mike Parry / Leatherback Sea Turtle (Dermochelys coriacea) underwater view of swimming hatchling, Huon Gulf, Papua New Guinea

Mike Parry / Leatherback Sea Turtle (Dermochelys coriacea) hatchling trio entering sea, Huon Gulf, Papua New Guinea

Shane P. White / Leatherback Sea Turtle (Dermochelys coriacea) females on beach at sunrise after egg laying, Trinidad and Tobago, Caribbean

Shane P. White / Leatherback Sea Turtle (Dermochelys coriacea) female on beach at sunrise after egg laying, Trinidad and Tobago, Caribbean