Easter Egg Identifier (IMAGE) University of Leicester Caption The pale gray eggs are from birds, the darker gray eggs are from dinosaurs. Most Easter eggs, as shown on the right, are similar in shape to bird's eggs, but some are closer to the eggs of dinosaurs. The Easter egg on the left is particularly close to the newly described egg Sankofa. Credit Mark Purnell, University of Leicester Usage Restrictions Use only with 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.