Flight Ability of Birds Affects the Shape of Their Eggs (image) American Association for the Advancement of Science Share Print E-Mail Caption A gull chick begins to hatch. This material relates to a paper that appeared in the 23 June 2017, issue of Science, published by AAAS. The paper, by M.C. Stoddard at Princeton University in Princeton, and colleagues was titled, "Avian egg shape: Form, function, and evolution." Credit M.C. Stoddard Usage Restrictions Please cite the owner of the material when publishing. This material may be freely used by reporters as part of news coverage, with proper attribution. Non-reporters must contact Science for permission. Share Print E-Mail 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.