Penguin Chicks: Weight and Weather (IMAGE) University of Delaware Caption A 7-ounce decrease in chick weight could be the difference between a surviving and non-surviving penguin chick. Credit Megan Cimino/University of Delaware Usage Restrictions Image must include credit to University of Delaware. 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.