Wing of <i>Alcmonavis poeschli</i> (IMAGE) Ludwig-Maximilians-Universität München Caption The illustration shows the wing of Alcmonavis poeschli as it was found in the limestone slab. Alcmonavis poeschli is the second known specimen of a volant bird from the Jurassic period. Credit O. Rauhut, LMU/SNSB Usage Restrictions Copyright: O. Rauhut, LMU/SNSB License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.