Thursday, March 16, 2006

New Questions on Dino to Bird Evolution

Science News from Scientific American

Scaly Dino Find Complicates Feather Evolution

"Paleontologists working in the same area of Germany that yielded Archaeopteryx have discovered a new small theropod dinosaur. The nearly complete specimen--dubbed Juravenator starki--is one of just a few known fossils representing this group, which ultimately gave rise to modern birds. Indeed, it joins just two partial skeletons of another genus as the only European examples of the tiny carnivores. Unlike the other two specimens, however, it lacks any sign of feathers, complicating what researchers thought they knew about feather evolution."
Read more at the Scientific American web site.

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