Pteranodon, the most famous of all pterosaurs (American Museum of Natural History)
Pterosaurs ("winged lizards") hold a special place in the history of life on earth: they were the first creatures, other than insects, to successfully populate the skies. The evolution of pterosaurs roughly paralleled that of their terrestrial cousins, the dinosaurs.
Paleontologists have found indisputable proof that modern birds are descended not from pterosaurs, but from small, feathered, land-bound dinosaurs (in fact, if you could somehow compare the DNA of a pigeon, a Tyrannosaurus Rex and a Pteranodon, the first two would be more closely related to each other than either would be to the third). This is an example of what biologists call convergent evolution: nature has a way of finding the same solutions (wings, hollow bones, etc.) to the same problem (how to fly). Learn More About Pterousaurs Here
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