Esophagus of Leatherback turtles showing backward pointing spikes. Adult leatherback sea turtles subsist almost entirely on jellyfish. Jellyfish are pretty slippery, you see, and the razor-sharp rows of papillae prevent them from slipping out of the turtle's mouth.

Esophagus of Leatherback turtles showing backward pointing spikes. Adult leatherback sea turtles subsist almost entirely on jellyfish. Jellyfish are pretty slippery, you see, and the razor-sharp rows of papillae prevent them from slipping out of the turtle's mouth.

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#LeatherbackTurtles can trace their evolutionary roots back to before #dinosaurs walked the Earth #FunFact! Read about our work with leatherback #turtles here: http://www.fauna-flora.org/species/leatherback-turtle/

#LeatherbackTurtles can trace their evolutionary roots back to before #dinosaurs walked the Earth #FunFact! Read about our work with leatherback #turtles here: http://www.fauna-flora.org/species/leatherback-turtle/

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Leatherback Sea Turtles are the largest turtles on Earth, growing up to seven feet (two meters) long and exceeding 2,000 pounds (900 kilograms). #WorldTurtleDay

Leatherback Sea Turtles are the largest turtles on Earth, growing up to seven feet (two meters) long and exceeding 2,000 pounds (900 kilograms). #WorldTurtleDay

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Interesting Facts about Leatherback Sea Turtle in our new ‪#‎infographic‬

Interesting Facts about Leatherback Sea Turtle in our new ‪#‎infographic‬

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Leatherback Sea Turtles are just one of several turtles that are becoming CRITICALLY endangered

Leatherback Sea Turtles are just one of several turtles that are becoming CRITICALLY endangered

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Giant Sea Turtle, also called a Leatherback, is the largest of all living turtles. It can easily be differentiated from other modern sea turtles by its lack of a bony shell

Giant Sea Turtle, also called a Leatherback, is the largest of all living turtles. It can easily be differentiated from other modern sea turtles by its lack of a bony shell

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Leatherback Turtle, Green Turtle, Loggerhead 1984 Vintage Turtles Book Plate Colored

Leatherback Turtle, Green Turtle, Loggerhead 1984 Vintage Turtles Book Plate Colored

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