Magellanic Penguin (IMAGE) Wildlife Conservation Society Caption Magellanic penguins are decling due to overfishing, climate change and pollution, new data says. Credit Graham Harris/Wildlife Conservation Society Usage Restrictions None 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.