Guillemots in the 1960s (IMAGE) Cell Press Caption Breeding Common guillemots in the island of Stora Karlsö in 1960. Credit Gösta Håkansson (Gotland museum collection) Usage Restrictions Credit Required. 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.