A field guide to mesozoic birds and other winged dinosaurs is a comprehensive guide to the diverse species comprising the evolutionary transition from the first dinosaurs with true, feathered wings in the mid-Jurassic period, 160 million years ago, to the late Cretaceous period …
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The discovery of feathered dinosaur fossils coming out of China since 2006 suggests that these creatures were much more bird-like than paleontologists previously imagined. Further evidence -- bones, genetics, eggs, behavior, and more -- has shown a seamless transition from fleet…