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There are seven types of sea turtles of which six are endangered. Sea turtles are some of the oldest creatures on Earth, dating back 220 million years. They can be found in all oceans of the world except for the polar re... More »

www.reference.com Pets & Animals Reptiles Turtles

According to National Geographic, leatherback sea turtles are the largest turtles on Earth, have soft and rubbery shells and thrive in a number of habitats. They live in the frigid waters around Canada and Norway, the te... More »

www.reference.com Pets & Animals Reptiles Turtles

Sea turtles in some form have existed on Earth for as long as 250 million years. Evidence of their existence can be found in fossils from the Jurassic Era. More »

www.reference.com Pets & Animals Reptiles Turtles
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While adult sea turtles have few natural predators, large sharks, such as the tiger shark, have been known to eat sea turtles. Killer whales have also been known to prey on sea turtles. Baby sea turtles are preyed upon b... More »

www.reference.com Pets & Animals Reptiles Turtles

Some distinctive features of sea turtles include their long, sweeping front flippers, beak-like mouths, nonretractable head and large shells. Depending on the type of turtle, the shell may be hard and bumpy or smooth and... More »

www.reference.com Pets & Animals Reptiles Turtles

Green sea turtles are the only sea turtles that are herbivorous in adulthood. Young green sea turtles are mainly carnivorous and eat invertebrates such as sponges, jellyfish and crabs. However, they gradually shift to an... More »

www.reference.com Pets & Animals Reptiles Turtles

A group of sea turtles is commonly referred to as a bale. There are seven species of sea turtles: leatherback, green sea turtle, loggerhead, Kemp's ridley sea turtle, hawksbill, flatback and olive ridley sea turtle. More »

www.reference.com Pets & Animals Reptiles Turtles