12-Day-Old Chick Being Fed (IMAGE) Springer Caption The fixed division of labor between crested penguin parents increases their chicks' vulnerability to food shortages made ever more common by climate change. Credit Kyle Morrison Usage Restrictions Copyright: Kyle Morrison 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.