Solvin Zankl / Olive ridley sea turtle hatchling (Lepidochelys olivacea) showing egg tooth that helps the hatchling to open the soft but tough egg shell. Ostional beach, Costa Rica, November

Solvin Zankl / Olive ridley sea turtle hatchling (Lepidochelys olivacea) on its way to the sea. They orient themselves by the brightness of the horizon above the ocean. Ostional beach, Costa Rica, Novembe. ^^^ They...

Solvin Zankl / Olive ridley sea turtle hatchling (Lepidochelys olivacea) on its way to the sea. They orient themselves by the brightness of the horizon above the ocean, Ostional beach, Costa Rica, November ^^^ They...

Solvin Zankl / Olive ridley sea turtle hatchling (Lepidochelys olivacea) on its way to the sea. Ostional beach, Costa Rica, November ^^^ They orient themselves by the brightness of the horizon above the ocean and t...

Solvin Zankl / Dead Olive ridley turtle hatchlings (Lepidochelys olivacea) that have been eaten by a Black vulture (Coragyps atratus) The vultures cannot swallow the hatchlings whole so they tear them apart and ofte...

Doug Perrine / Olive ridley sea turtle (Lepidochelys olivacea) accompanied by small Pilot fish (Naucrates ductor) circling around the remains of Jumbo squid or Humboldt squid, off Baja California, Mexico

Jeff Rotman / Villagers washing Olive Ridley Turtle eggs (Lepidochelys olivacea) harvested in first two days of Arribada "Arrival". This is the only place in the world where it is legal to harvest turtle eggs. This...

Jeff Rotman / Villager collecting and harvesting Olive Ridley Turtle eggs (Lepidochelys olivacea) during the first morning of Arribada "Arrival". This is the only place in the world where it is legal to harvest tur...

Jeff Rotman / Villagers collecting and harvesting Olive Ridley Turtle eggs (Lepidochelys olivacea) during the first morning of Arribada "Arrival". This is the only place in the world where it is legal to harvest tu...

Claudio Contreras / Kemp's ridley turtle (Lepidochelys kempii) two hatchlings on beach, La Pesca Beach, Tamaulipas, northeast Mexico, July

Claudio Contreras / Olive ridley turtle (Lepidochelys olivacea) laying eggs, La Escobilla Beach, southern Mexico, December

Konrad Wothe / Olive Ridley Sea Turtle (Lepidochelys olivacea) hatchlings in protective hatchery, India

Konrad Wothe / Olive Ridley Sea Turtle (Lepidochelys olivacea) eggs in protected turtle hatchery, India

Kevin Schafer / Olive Ridley Sea Turtle (Lepidochelys olivacea) being tagged by researcher on nesting beach scattered with eggs, Costa Rica

Patricio Robles Gil / Olive Ridley Sea Turtle (Lepidochelys olivacea) adult coming onto the beach from the Pacific Ocean at sunset, Oaxaca, Mexico

Patricio Robles Gil / Olive Ridley Sea Turtle (Lepidochelys olivacea) adult coming onto the beach from the Pacific Ocean at sunset, Oaxaca, Mexico

Patricio Robles Gil / Olive Ridley Sea Turtle (Lepidochelys olivacea) female returning to the Pacific Ocean after laying eggs, Oaxaca, Mexico

Patricio Robles Gil / Olive Ridley Sea Turtle (Lepidochelys olivacea) female returning to ocean after laying eggs, Pacific coast, Oaxaca, Mexico

Patricio Robles Gil / Olive Ridley Sea Turtle (Lepidochelys olivacea) hatchlings make their way to the ocean on Maruata beach, Pacific coast, Jalisco, Mexico

Patricio Robles Gil / Olive Ridley Sea Turtle (Lepidochelys olivacea) baby preyed on by a crab, Pacific coast, Oaxaca, Mexico

Patricio Robles Gil / Olive Ridley Sea Turtle (Lepidochelys olivacea) baby crawling across Mazunte Beach to the Pacific Ocean, Oaxaca, Mexico

Patricio Robles Gil / Olive Ridley Sea Turtle (Lepidochelys olivacea) female returning to ocean after laying eggs, Pacific coast, Oaxaca, Mexico

Patricio Robles Gil / Olive Ridley Sea Turtle (Lepidochelys olivacea) female returning to ocean after laying eggs, Pacific coast, Oaxaca, Mexico

Patricio Robles Gil / Olive Ridley Sea Turtle (Lepidochelys olivacea) man releasing young turtles on the Pacific coast, Oaxaca, Mexico

Patricio Robles Gil / Olive Ridley Sea Turtle (Lepidochelys olivacea) female laying eggs on beach at night, Pacific coast, Oaxaca, Mexico

TIM MARTIN / Olive ridley turtle hatchlings {Lepidochelys olivacea} emerging from beach nest, Costa Rica

Doug Wechsler / Biologists releases baby Olive ridley turtles {Lepidochelys olivacea} Santa Rosa beach, Costa Rica

Doug Perrine / Kemp's ridley turtle hatchling in open sea off nesting beach {Lepidochelys kempii} Gulf of Mexico, Mexico 2002

Doug Perrine / Scientist examines Kemp's ridley turtle hatchlings{Lepidochelys kempii} deciding which are for immediate release or extended care, Rancho Nuevo, Gulf of Mexico, Mexico 2002

Doug Perrine / Female Kemp's ridley turtle {Lepidochelys kempii} returns to sea after laying eggs on beach, Rancho Nuevo, Gulf of Mexico, Mexico 2002

Doug Perrine / Female Kemp's ridley turtle {Lepidochelys kempii} covers nest after laying eggs on beach, Rancho Nuevo, Gulf of Mexico, Mexico 2002

Doug Perrine / Corral of nests of Kemp's ridley turtle {Lepidochelys kempii} each nest is fenced and covered to protect from predators and flies, Rancho Nuevo, Gulf of Mexico, Mexico 2002

Doug Perrine / Kemp's ridley turtle {Lepidochelys kempii} swimming, captive, Gulf of Mexico, Mexico 2002

Doug Perrine / Kemp's ridley turtle {Lepidochelys kempii} hatchling heads for the sea after release from protected nests, Rancho Nuevo, Gulf of Mexico, Mexico 2002

Doug Perrine / Scientist uses microwave scanner to read PIT tag in Kemp's ridley turtle {Lepidochelys kempii} female laying eggs in nest on beach, Rancho Nuevo, Gulf of Mexico, Mexico 2002

Doug Perrine / Kemp's ridley turtle {Lepidochelys kempii} swimming, captive, Gulf of Mexico, Mexico 2002

Doug Perrine / Scientist measures Kemp's ridley turtle {Lepidochelys kempii} female laying eggs in nest on beach, Rancho Nuevo, Gulf of Mexico, Mexico 2002

Doug Perrine / Kemp's ridley turtle {Lepidochelys kempii} hatchlings emerge from nest in protected hatchery, Rancho Nuevo, Gulf of Mexico, Mexico 2002

Doug Perrine / Kemp's ridley turtle {Lepidochelys kempii} hatchlings head for the sea after release from protected nests, Rancho Nuevo, Gulf of Mexico, Mexico 2002

Doug Perrine / Female Kemp's ridley turtle {Lepidochelys kempii} laying eggs in nest on beach, Rancho Nuevo, Gulf of Mexico, Mexico 2002

Doug Perrine / Kemp's ridley turtles {Lepidochelys kempii} swimming, captive, Gulf of Mexico, Mexico 2002

Doug Perrine / Female Kemp's ridley turtle {Lepidochelys kempii} laying eggs in nest on beach, Rancho Nuevo, Gulf of Mexico, Mexico 2002

Doug Perrine / Kemp's Ridley turtle {Lepidochelys kempii} raises head above water surface to breathe. Captive, Cayman Turtle Farm, Grand Cayman, Caribbean 2002

Doug Perrine / Female Kemp's ridley turtle {Lepidochelys kempii} covers nest after laying eggs on beach, Rancho Nuevo, Gulf of Mexico, Mexico 2002

Doug Perrine / Kemp's ridley turtle {Lepidochelys kempii} hatchlings head for the sea after release from protected nests, Rancho Nuevo, Gulf of Mexico, Mexico 2002

Doug Perrine / Female Kemp's ridley turtle {Lepidochelys kempii} covers nest after laying eggs on beach, Rancho Nuevo, Gulf of Mexico, Mexico 2002

Doug Perrine / Corral of nests of Kemp's ridley turtle {Lepidochelys kempii} each nest is fenced and covered to protect from predators and flies, Rancho Nuevo, Gulf of Mexico, Mexico 2002

Luiz Claudio Marigo / Olive ridley turtle coming out of the sea {Lepidochelys olivacea} Bahia state, Brazil

Luiz Claudio Marigo / Olive ridley turtle coming out of the sea {Lepidochelys olivacea} Bahia state, Brazil

Luiz Claudio Marigo / Olive ridley turtle coming out of the sea {Lepidochelys olivacea} Bahia state, Brazil

Doug Perrine / Kemp's ridley turtle on artificial beach, Miami, USA {Lepidochelys kempii} captive

Ben Osborne / Olive ridley turtle hatchling predated by stork + Black vultures. Costa Rica

Patricio Robles Gil / Olive Ridley Sea Turtle (Lepidochelys olivacea) adult females laying eggs in nests on the beach at night, Pacific coast, Oaxaca, Mexico

Patricio Robles Gil / Olive Ridley Sea Turtle (Lepidochelys olivacea) adult females laying eggs in nests on the beach at night, Pacific coast, Oaxaca, Mexico

Tui De Roy / Olive Ridley Sea Turtle (Lepidochelys olivacea) in open ocean, between northern islands, Galapagos Islands, Ecuador

Tui De Roy / Olive Ridley Sea Turtle (Lepidochelys olivacea) swimming in open ocean, Galapagos Islands, Ecuador

TIM MARTIN / Olive Ridley turtles on nesting beach, Costa Rica - Vultures look for eggs to eat.

Lockwood & Dattatri / Olive Ridley turtle female laying eggs, Orissa, India

Ben Osborne / Olive ridley turtle hatchling heads for the sea. Costa Rica {Lepidochelys olivacea}

Ben Osborne / Olive ridley turtle swimming at surface. Costa Rica {Lepidochelys olivacea}

Ben Osborne / Olive ridley turtle hatchlings head for the sea. Costa Rica {Lepidochelys olivacea}

Ben Osborne / Olive ridley turtle emerging from sea to lay eggs. Costa Rica {Lepidochelys olivacea}

Ben Osborne / Olive ridley turtle caught in fishing line scavenged by Black vultures. Costa Rica

Ben Osborne / Olive ridley turtle returns to sea at dawn. Costa Rica {Lepidochelys olivacea}

Doug Perrine / Female Olive Ridley turtles coming ashore to lay eggs at sunset {Lepidochelys olivacea} Costa Rica, Pacific Ocean (Non-ex).

TIM MARTIN / Olive Ridley Turtle coming ashore to lay eggs, Costa Rica, Pacific Coast

Ben Osborne / Olive ridley turtle returns to sea at dawn after laying eggs on beach, Costa Rica {Lepidochelys olivacea} Pacific coast

TIM MARTIN / Olive Ridley turtles come ashore to lay eggs, Costa Rica

TIM MARTIN / Olive ridley turtle (Lepidochelys olivacea) on beach. Pacific coast, Costa Rica, Central America

TIM MARTIN / Olive Ridley turtle carcass on beach, Costa Rica.

Martin Dohrn / Olive ridley turtle returns to sea after egg laying, Costa Rica {Lepidochelys olivacea}

TIM MARTIN / Olive ridley turtle (Lepidochelys olivacea) emerging from sea, Costa Rica

TIM MARTIN / Olive Ridley Turtles (Lepidochelys olivacea) coming onto beach to lay eggs, Costa Rica.

Patricio Robles Gil / American Black Vulture (Coragyps atratus) group and a Great Blue Heron (Ardea herodias) eating eggs from nest of a Pacific Ridley Sea Turtle (Lepidochelys olivacea), Oaxaca, Mexico

Patricio Robles Gil / Olive Ridley Sea Turtle (Lepidochelys olivacea) female coming ashore to lay eggs, Pacific coast, Oaxaca, Mexico

Ben Osborne / Olive ridley turtle hatchling predated by stork Black vultures. Costa Rica

Ben Osborne / Olive ridley turtle emerging from sea at dusk. Costa Rica {Lepidochelys olivacea}

Ben Osborne / Olive ridley turtle hatchling predated by stork. Costa Rica {Lepidochelys olivacea}

Ben Osborne / Olive ridley turtle returns to sea at dawn. Costa Rica {Lepidochelys olivacea}

Ben Osborne / Olive ridley turtle returns to sea at dawn. Costa Rica {Lepidochelys olivacea}

Ben Osborne / Olive ridley turtle returns to sea at dawn. Costa Rica {Lepidochelys olivacea}

Ben Osborne / Olive ridley turtle hatchlings head for the sea. Costa Rica {Lepidochelys olivacea}

Ben Osborne / Olive ridley turtle returns to sea at dawn. Costa Rica {Lepidochelys olivacea}

Ben Osborne / Olive ridley turtle swims in sea with head out. Costa Rica {Lepidochelys olivacea}