Seabirds flying above rat-free island (IMAGE) Lancaster University Caption Seabirds flying above rat-free island Credit Dr Cassandra Benkwitt Usage Restrictions Only to be used alongside stories reporting on this research License Original 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.