The Proceedings of the National Academy of Sciences, has once again shown what is so exciting, and frustrating about science. The report throws a wrench it to the thought that birds evolved from dinosaurs. The thought was that birds descended from ground-dwelling theropod dinosaurs. The team looked at an 2003 specimen, a microraptor, the team used models and discovered the raptor more adapt to gliding rather than flying.
Prof John Ruben feels that some of the species we think of as dinosaurs were actually birds that had lost their flight. Ruben feels the evidence points to this fact. Ruben feels that their may have been a common ancestor, but then evolved on their own path. This part gets me Ruben says that the velociraptor is actually a bird that lost its ability to fly, this is why they resemble a bird more than a dinosaur. The over all feeling is that the ground-dwelling theropods were not the best design for a ground up flight, however they were able to glide down from trees.
What does this tell us it tells us that sometimes even scientists see what they want to see. The evidence is there, but for what ever reason the dots are connected just a little off. Its not a bad thing scientists are only going with what they have in front of them, and with out a complete fossil record these things are bound to happen every twenty years or so. I feel this keeps scientists working, and to never give up because a new species may come around and blow every ones mind all over again.
Ray Cliche Jr (10)