Bird Wings Really Are Like Dinosaurs' Hands

@article{Pennisi2005BirdWR,
  title={Bird Wings Really Are Like Dinosaurs' Hands},
  author={E. Pennisi},
  journal={Science},
  year={2005},
  volume={307},
  pages={194 - 194}
}
Molecular studies have smoothed a wrinkle in the assumption that modern birds had dinosaur ancestors: Researchers have concluded that the three digits in bird wings correspond to the three digits in dinosaurs9 forelimbs. 
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