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New fossil evidence has pushed back a key step in the evolution of bird flight by millions of years.
Skeletal changes that helped birds take to the air happened 120 million years ago, during the hey day of dinosaurs, according to a specimen from China.
Features such as fused bones were thought to be present only in relatively advanced birds, living just before the dinosaurs went extinct.
Article here
Skeletal changes that helped birds take to the air happened 120 million years ago, during the hey day of dinosaurs, according to a specimen from China.
Features such as fused bones were thought to be present only in relatively advanced birds, living just before the dinosaurs went extinct.
Article here
