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How birds got their wings: Fossil data show scaling of limbs altered as birds originated from dinosaurs

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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?_ymZxChvgYQ

 

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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.

 

Read the full article on PhysOrg

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