Pteranodon

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Pteranodon was flying reptile that was about 1.8 m long. Reptiles had hollow bones, was lightly built, had almost no tail, and small bodies. They may have had fur. They had large brains and good eyesight. Some reptiles had long, lightweight, bony crests on their heads. They may have acted as a rudder or stabilizer when flying, or may have been a sexual characteristic. Reptiles had no teeth. It had a 7.8 m wingspread, and weighed about 18 kg. This wingspan is longer than any known bird. A leathery membrane covered its wings. This thin but tough membrane stretched between its body, the top of its legs and its elongated fourth fingers, forming the structure of the wing. Claws protruded from the other fingers.

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