Konrad Wothe / Leatherback Sea Turtle (Dermochelys coriacea) female returning to ocean after laying eggs in a nest on the beach

Patricio Robles Gil / Leatherback Sea Turtle (Dermochelys coriacea) female laying her eggs on the beach at night and covering the nest with sand, Pacific coast, Oaxaca, Mexico, critically endangered

Patricio Robles Gil / Leatherback Sea Turtle (Dermochelys coriacea) female laying her eggs on the beach at night and covering the nest with sand, Pacific coast, Oaxaca, Mexico

Patricio Robles Gil / Leatherback Sea Turtle (Dermochelys coriacea) female laying her eggs on the beach at night and covering the nest with sand, Pacific coast, Oaxaca, Mexico

Kim Taylor / Leatherback Turtle {Dermochelys coriacea} egg-laying female being weighed by research team, Trinidad, West Indies.

Kim Taylor / Leatherback Turtle {Dermochelys coriacea} egg-laying females approaching from the sea, Trinidad, West Indies.

Kim Taylor / Leatherback Turtle {Dermochelys coriacea} head portrait of egg-laying female, Trinidad, West Indies.

Pete Oxford / Female Leatherback turtle leaves sea to lay eggs {Dermochelys coriacea} Grand Riviere, Trinida

Pete Oxford / Leatherback turtle female laying eggs at night {Dermochelys coriacea} Matura beach, Trinidad

Doug Perrine / Leatherback turtle {Dermochelys coriacea} laying eggs in nest on beach, Trinidad, Caribbean

Doug Perrine / Egg of Leatherback turtle {Dermochelys coriacea} held in hand, showing large size. Juno beach, Florida, USA

Doug Perrine / Researcher workers measure Leatherback turtle {Dermochelys coriacea} on beach at night, turtle has come onshore to lay eggs, Mexico

Willem Kolvoort / Leatherback turtle (Dermochelys coriacea) closing her nest after laying eggs. Babunsanti Beach, Galibi, Surinam . 2003.

Willem Kolvoort / Leatherback turtle (Dermochelys coriacea) closing her nest after laying eggs. Babunsanti Beach, Galibi, Surinam. 2003.

Willem Kolvoort / Eggs of Leatherback turtle {Dermochelys coriacea} Babunsanti Beach, Galibi, Surinam. . 2003.

Willem Kolvoort / Leatherback turtle {Dermochelys coriacea} returning to sea after egg laying on Babunsanti Beach, Galibi, Surinam . 2003.

Doug Perrine / Leatherback turtle hatchling heads for the sea, Florida, USA {Dermochelys coriacea}

Pete Oxford / Leatherback turtle returning to sea after laying eggs {Dermochelys coriacea} Grand Riviere, Trinidad

Pete Oxford / Leatherback turtle on beach to lay eggs {Dermochelys coriacea} Grand Riviere, Trinidad

Pete Oxford / Researcher measures Leatherback turtle {Dermochelys coriacea} Matura beach, Trinidad

Solvin Zankl / Albino Leatherback turtle {Dermochelys coriacea} embryo died before hatching, eggshell opened by researchers, Virgin Is, Caribbean

Mike Parry / Leatherback Sea Turtle (Dermochelys coriacea) nesting at night, Huon Gulf, Papua New Guinea

Mike Parry / Leatherback Sea Turtle (Dermochelys coriacea) on land returning to sea after nesting, Huon Gulf, Papua New Guinea

Ingo Arndt / Leatherback Sea Turtle (Dermochelys coriacea) hatchling crawling to the water, Shell Beach, Guyana

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

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 heading to sea, Huon Gulf, Papua New Guinea

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

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

Mike Parry / Leatherback Sea Turtle (Dermochelys coriacea) heading to sea, Huon Gulf, Papua New Guinea

Mike Parry / Leatherback Sea Turtle (Dermochelys coriacea) nesting at night, Huon Gulf, Papua New Guinea

Konrad Wothe / Leatherback Sea Turtle (Dermochelys coriacea) eggs collected for captive breeding and release, World Wildlife Federation project in Irian Jaya, Indonesia

Solvin Zankl / Leatherback turtle, close up of navel {Dermochelys coriacea} captive, Virgin Is, Caribbean

Solvin Zankl / Leatherback turtle juvenile {Dermochelys coriacea} Virgin Is, Caribbean

Doug Perrine / Leatherback turtle swimming {Dermochelys coriacea} off Mexico, Pacific Ocean. Leatherback turtles can dive to a depth of 1,230m! They would win a bronze diving medal in an animal olypics competition!...

Doug Perrine / Leatherback turtle with pilot fish {Dermochelys coriacea} Azores, North Atlantic Ocean. Leatherback turtles migrate annually a distance of 12,774 miles - the longest marathon on earth! (Non-ex).

Doug Perrine / Leatherback turtle swimming with pilot fish {Dermochelys coriacea} Azores, North Atlantic Ocean (Non-ex).

TIM MARTIN / Leatherback turtle (Dermochelys coriacea) laying eggs. Pacific Coast, Costa Rica, Central America

Pete Oxford / Leatherback female digging nest {Cermochelys coriacea} Trinidad

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

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

Sean Crane / Leatherback Sea Turtle (Dermochelys coriacea) female returning to the sea after laying her eggs, Grande Riviere, Trinidad, Caribbean

Sean Crane / Leatherback Sea Turtle (Dermochelys coriacea) hatchling moving towards sea, Grande Riviere, Trinidad, Caribbean

Sean Crane / Leatherback Sea Turtle (Dermochelys coriacea) hatchling moving towards sea, Grande Riviere, Trinidad, Caribbean

Sean Crane / Leatherback Sea Turtle (Dermochelys coriacea) hatchling stuck in sand, Grande Riviere, Trinidad, Caribbean

Sean Crane / Leatherback Sea Turtle (Dermochelys coriacea) hatchling moving towards sea, Grande Riviere, Trinidad, Caribbean

Sean Crane / Leatherback Sea Turtle (Dermochelys coriacea) hatchlings, Grande Riviere, Trinidad, Caribbean

Sean Crane / Leatherback Sea Turtle (Dermochelys coriacea) nests as part of nest relocation program, Grande Riviere, Trinidad, Caribbean

Sean Crane / American Black Vulture (Coragyps atratus) predating on Leatherback Sea Turtle (Dermochelys coriacea) hatchling after it emerged from nest, Grande Riviere, Trinidad, Caribbean

Sean Crane / Leatherback Sea Turtle (Dermochelys coriacea) hatchling moving towards sea, Grande Riviere, Trinidad, Caribbean

Sean Crane / Leatherback Sea Turtle (Dermochelys coriacea) female returning to the sea after laying her eggs, Grande Riviere, Trinidad, Caribbean

Sean Crane / Leatherback Sea Turtle (Dermochelys coriacea) female on beach to lay eggs, Grande Riviere, Trinidad, Caribbean

Sean Crane / Leatherback Sea Turtle (Dermochelys coriacea) female coming on shore to lay her eggs, Grande Riviere, Trinidad, Caribbean

Sean Crane / Leatherback Sea Turtle (Dermochelys coriacea) female coming on shore to lay her eggs, Grande Riviere, Trinidad, Caribbean

Sean Crane / Leatherback Sea Turtle (Dermochelys coriacea) female coming on shore to lay her eggs, Grande Riviere, Trinidad, Caribbean

Sean Crane / Leatherback Sea Turtle (Dermochelys coriacea) female returning to the sea after laying her eggs, Grande Riviere, Trinidad, Caribbean

Shane P. White / Leatherback Sea Turtle (Dermochelys coriacea) female digging nest to lay eggs on beach, Trinidad and Tobago, Caribbean

Juergen Freund / Moluccan fishermen in their dugout canoe during traditional Leatherback turtle hunt (Dermochelys coriacea) Kei Kecil Island, Moluccas, Indonesia.

Konrad Wothe / Leatherback Sea Turtle (Dermochelys coriacea) female digging nest with American Black Vulture (Coragyps atratus) in the background, Trinidad, West Indies, Caribbean

Konrad Wothe / Leatherback Sea Turtle (Dermochelys coriacea) female returning to sea after nesting, Trinidad, West Indies, Caribbean

Konrad Wothe / Leatherback Sea Turtle (Dermochelys coriacea) female returning to sea after nesting, Trinidad, West Indies, Caribbean

Konrad Wothe / Leatherback Sea Turtle (Dermochelys coriacea) female laying eggs, Trinidad, West Indies, Caribbean

Robin Chittenden / Leatherback turtle (Dermochelys coriacea) laying eggs, Trinidad and Tobago.

Robin Chittenden / Tourists watching Leatherback turtle (Dermochelys coriacea) laying eggs, Trinidad and Tobago.

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

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

Pete Oxford / Leatherback turtle leaves sea to lay eggs {Dermochelys coriacea} Grand Riviere Trinida

Pete Oxford / Leatherback turtle leaves sea to lay eggs {Dermochelys coriacea} Grand Riviere Trinida

Tui De Roy / Leatherback Sea Turtle (Dermochelys coriacea) female in defensive display, Kai Islands, Maluku Islands, Indonesia

Tui De Roy / Leatherback Sea Turtle (Dermochelys coriacea) female, Kai Islands, Maluku Islands, Indonesia

Tui De Roy / Leatherback Sea Turtle (Dermochelys coriacea) female, Kai Islands, Maluku Islands, Indonesia

Tui De Roy / Leatherback Sea Turtle (Dermochelys coriacea) male, Kai Islands, Maluku Islands, Indonesia

Tui De Roy / Leatherback Sea Turtle (Dermochelys coriacea) male, Kai Islands, Maluku Islands, Indonesia

Tui De Roy / Leatherback Sea Turtle (Dermochelys coriacea) female in defensive display, Kai Islands, Maluku Islands, Indonesia

Tui De Roy / Leatherback Sea Turtle (Dermochelys coriacea) female, Kai Islands, Maluku Islands, Indonesia

Tui De Roy / Leatherback Sea Turtle (Dermochelys coriacea) female, Kai Islands, Maluku Islands, Indonesia

Tui De Roy / Leatherback Sea Turtle (Dermochelys coriacea) male, Kai Islands, Maluku Islands, Indonesia

Tui De Roy / Group of people from local community holding Leatherback turtle (Dermochelys coriacea) hatchlings, part of a conservation effort to keep them safe during the day and release them at night, Grande Rivi...

Tui De Roy / Three Leatherback turtle (Dermochelys coriacea) females, coming ashore to nest on beach at night, Trinidad and Tobago, Caribbean.

Tui De Roy / Leatherback turtle (Dermochelys coriacea) female, covering nest with sand, Trinidad and Tobago, Caribbean.

Tui De Roy / Two Leatherback turtle (Dermochelys coriacea) females, coming ashore under moonlight to nest on beach at night, Grande Riviere, Trinidad Island, Trinidad & Tobago, Caribbean.

Tui De Roy / Two Leatherback turtle (Dermochelys coriacea) females, nesting on beach at night under a starry sky and moonlight, Grande Riviere, Trinidad Island, Trinidad & Tobago, Caribbean.

Tui De Roy / Leatherback turtle (Dermochelys coriacea) female, coming ashore to nest on beach at night, Grande Riviere, Trinidad Island, Trinidad & Tobago, Caribbean.

Tui De Roy / Leatherback turtle (Dermochelys coriacea) female, returning to sea after nesting, Trinidad and Tobago, Caribbean Sea.

Tui De Roy / Black vultures (Coragyps atratus) perched in misty rainforest canopy bordering Leatherback turtle (Dermochelys coriacea) nesting beach, Grande Riviere, Trinidad Island, Trinidad & Tobago, Caribbean.

Tui De Roy / Small coastal fishing village at edge of 1km long Leatherback turtle (Dermochelys coriacea) nesting beach, Grande Riviere, Trinidad Island, Trinidad & Tobago, Caribbean.

Tui De Roy / Two Black vultures (Coragyps atratus) scavenging Leatherback turtle (Dermochelys coriacea) eggs on beach, Grande Riviere, Trinidad Island, Trinidad & Tobago, Caribbean.

Tui De Roy / Two Black vultures (Coragyps atratus) scavenging on beach, one with Leatherback turtle (Dermochelys coriacea) hatchling in beak, Grande Riviere, Trinidad Island, Trinidad & Tobago, Caribbean.

Tui De Roy / Two Black vultures (Coragyps atratus) scavenging on beach, one with Leatherback turtle (Dermochelys coriacea) hatchling in beak, Grande Riviere, Trinidad Island, Trinidad & Tobago, Caribbean.

Tui De Roy / Black vulture (Coragyps atratus) scavenging on Leatherback turtle (Dermochelys coriacea) hatchling on beach, Grande Riviere, Trinidad Island, Trinidad & Tobago, Caribbean.

Tui De Roy / Leatherback turtle (Dermochelys coriacea) hatchling swimming across a rainwater pool, littered with empty eggshells, toward the sea minutes after leaving the nest, Grande Riviere, Trinidad Island, Tri...

Tui De Roy / Black vulture (Coragyps atratus) scavenging on Leatherback turtle (Dermochelys coriacea) hatchling on beach, Grande Riviere, Trinidad Island, Trinidad & Tobago, Caribbean.

Tui De Roy / Leatherback turtle (Dermochelys coriacea) hatchlings emerging from nest on beach, Grande Riviere, Trinidad Island, Trinidad & Tobago, Caribbean.

Tui De Roy / Leatherback turtle (Dermochelys coriacea) hatchlings emerging from nest on beach, Grande Riviere, Trinidad Island, Trinidad & Tobago, Caribbean.

Tui De Roy / Leatherback turtle (Dermochelys coriacea) newly emerged hatchling with sharply pointed 'egg tooth' and serrated jaw visible, head portrait, Grande Riviere, Trinidad Island, Trinidad & Tobago...

Tui De Roy / Leatherback turtle (Dermochelys coriacea) newly emerged hatchling swimming across a rainwater pool toward the sea, Grande Riviere, Trinidad Island, Trinidad & Tobago, Caribbean.