NATURE

The 50th anniversary of a key paper on how bird flight evolved

Nature, Published online: 19 March 2024; doi:10.1038/d41586-024-00746-w

For a century, scientists pondered whether bird flight evolved by animals gliding down from trees or by creatures running and flapping from the ground up. A landmark 1974 paper reset the debate to focus on the evolution of the flight stroke instead.


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