Main Content
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Female Leatherback at Surf's Edge
Photograph by Brian Skerry
A female leatherback sea turtle heaves herself from the surf at night to nest. Females often return to the same nesting areas where they were born to produce their own offspring.
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Green Sea Turtle
Photograph by Tim Laman
Green sea turtles are reptiles whose ancestors evolved on land and took to the sea to live about 150 million years ago. They are one of the few species so ancient that they watched the dinosaurs evolve and become extinct.
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Kemp's Ridley Sea Turtle Hatchlings
Photograph by Bill Curtsinger
Unlike other sea turtles, female Kemp's ridley turtles come ashore to lay their eggs in the daylight hours.
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Newly Hatched Leatherback Sea Turtle
Photograph by Susie Post Rust
Leatherback hatchlings make a perilous journey from their nest to the ocean, and are not even safe once they make it. Few survive to adulthood.
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Leatherback Turtle Laying Eggs
Photograph by Michael Nichols
Leatherback sea turtles lay their eggs in nests on shore, where they are vulnerable to scavenging dogs and beach-strolling humans.
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Olive Ridley Sea Turtle
Photograph by Bill Curtsinger
Olive ridleys get their name from the coloring of their heart-shaped shell, which starts out grey but becomes olive green once the turtles are adults. They have one to two visible claws on each of their paddle-like flippers.
Animals A-Z
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National Geographic Magazine
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The Beauty of Insect Eggs
Engineered for survival, insect eggs hang on and hatch wherever their parents deposit them.
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Eels Photo Gallery
The freshwater eel is one of the few fishes to spawn in the ocean and spend its adulthood in lakes, rivers, and estuaries.