ScienceDaily Posted September 17, 2013 Share Posted September 17, 2013 Birds originated from a group of small, meat-eating theropod dinosaurs called maniraptorans sometime around 150 million years ago. Recent findings from around the world show that many maniraptorans were very bird-like, with feathers, hollow bones, small body sizes and high metabolic rates. But the question remains, at what point did forelimbs evolve into wings -- making it possible to fly? Read the full article on ScienceDaily Link to comment Share on other sites More sharing options...
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