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The Flying Giraffe and Other Fossil Stories of Extinct Reptiles

Imagine a giraffe leaping into the air and flying off. That's what this giant pterosaur was like. Other interpretations about extinct reptiles are not so certain.

Questioning the Dino-Bird Hypothesis

The scientific consensus has pretty much declared it a fact of natural history that birds evolved from dinosaurs. One evolutionary professor remains a gadfly, though. He contests the evidence on which the hypothesis is based, and also believes his maverick position is growing.
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