A pre-Archaeopteryx animal with wings will have to make its way with difficulty into the world.
This is a preview of subscription content, access via your institution
Access options
Subscribe to this journal
Receive 51 print issues and online access
$199.00 per year
only $3.90 per issue
Buy this article
- Purchase on Springer Link
- Instant access to full article PDF
Prices may be subject to local taxes which are calculated during checkout
Rights and permissions
About this article
Cite this article
Early bird born late. Nature 351, 677–678 (1991). https://doi.org/10.1038/351677b0
Issue Date:
DOI: https://doi.org/10.1038/351677b0