Cretaceous Bird Landing Track Drawing (IMAGE) Emory Health Sciences Caption This is an illustration showing how the flight landing track was probably made as a bird set down on the moist sand of a river bank. Credit Drawing by Anthony Martin Usage Restrictions Must include image credit 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.