African Penguins (image) University of Exeter Share Print E-Mail Caption These are an endangered African penguins on Robben Island, South Africa, where former South African president, Nelson Mandela spent 18 of his 27 years in prison. Restrictions on commercial fishing in a 20 km radius around Robben Island led to improved penguin chick survival. Credit © Davide Gaglio, http://davygaglio.wix.com/home Usage Restrictions Use credit 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.