Early Evolution of Avian Flight and Perching: New Evidence from the Lower Cretaceous of China

@article{Sereno1992EarlyEO,
  title={Early Evolution of Avian Flight and Perching: New Evidence from the Lower Cretaceous of China},
  author={P. Sereno and R. Chenggang},
  journal={Science},
  year={1992},
  volume={255},
  pages={845 - 848}
}
Fossil bird skeletons discovered in Lower Cretaceous lake deposits in China shed new light on the early evolution of avian flight and perching. The 135 million-year-old sparrow-sized skeletons represent a new avian, Sinornis santensis, n. gen. n. sp., that preserves striking primitive features such as a flexible manus with unguals, a footed pubis, and stomach ribs (gastralia). In contrast to Archaeoperyx, however, Sinornis exhibits advanced features such as a broad sternum, wing-folding… Expand
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