Leatherback turtle (Dermochelys coriacea) eggs being collected for transfer to a safer hatchery location, Shell Beach, Guyana, South America

Leatherback turtle (Dermochelys coriacea) eggs being collected for transfer to a safer hatchery location, Shell Beach, Guyana, South America

Researchers measuring a female Leatherback turtle (Dermochelys coriacea) at its nest site, Shell Beach, Guyana, South America

Leatherback turtle (Dermochelys coriacea) laying eggs under the watchful eyes of a conservation worker, Shell Beach, Guyana, South America

Turtle warden with nesting Leatherback turtle (Dermochelys coriacea), Shell Beach, Guyana, South America

Applying a tag to a Leatherback turtle (Dermochelys coriacea) at its nesting site, Shell Beach, Guyana, South America

Leatherback turtle (Dermochelys coriacea) at nest site, Shell Beach, Guyana, South America

Leatherback turtle (Dermochelys coriacea) excavating a nest hole, Shell Beach, Guyana, South America

Young leatherback turtle;Dermochelys coriacea) heading out to sea on a beach in French Guiana.

Emergence of young leatherback turtle (Dermochelys coriacea) in the sand, Remire Montjoly, French Guiana

Emergence of young leatherback turtle (Dermochelys coriacea) in the sand, Remire Montjoly, French Guiana

Leatherback sea turtle (Dermochelys coriacea), Vulnerable. Kei ( or Kai ) Islands, Moluccas, eastern Indonesia, Banda Sea, Southwest Pacific Ocean.

Sea Tomato jellyfish (Crambione mastigophora) with young pilot fish. The main food of Leatherback sea turtle (Dermochelys coriacea), Vulnerable. Kei ( or Kai ) Islands, Moluccas, eastern Indonesia, Banda Sea, Southwest Pacific Ocean.

Sea Tomato jellyfish (Crambione mastigophora) the main food of Leatherback sea turtle (Dermochelys coriacea), Vulnerable. Kei ( or Kai ) Islands, Moluccas, eastern Indonesia, Banda Sea, Southwest Pacific Ocean.

Sea Tomato jellyfish (Crambione mastigophora) with young pilot fish. The main food of Leatherback sea turtle (Dermochelys coriacea), Vulnerable. Kei ( or Kai ) Islands, Moluccas, eastern Indonesia, Banda Sea, Southwest Pacific Ocean.

Leatherback turtle (Dermochelys coriacea) female returning to the sea after laying eggs at sunrise, Remire-Montjoly, French Guiana

Emergence of a young leatherback turtle (Dermochelys coriacea), Remire-Montjoly, French Guiana

Leatherback turtle (Dermochelys coriacea) covering its nest after laying eggs, Remire-Montjoly, French Guiana

Leatherback sea turtle (Dermochelys coriacea), Vulnerable. Kei ( or Kai ) Islands, Moluccas, eastern Indonesia, Banda Sea, Southwest Pacific Ocean.

Several Sea Tomato jellyfish (Crambione mastigophora) the main food of Leatherback sea turtle (Dermochelys coriacea), Vulnerable. Kei ( or Kai ) Islands, Moluccas, eastern Indonesia, Banda Sea, Southwest Pacific Ocean.

Sea Tomato jellyfish (Crambione mastigophora) the main food of Leatherback sea turtle (Dermochelys coriacea), Vulnerable. Kei ( or Kai ) Islands, Moluccas, eastern Indonesia, Banda Sea, Southwest Pacific Ocean.