Sooty shearwaters, Falkland Islands (IMAGE) University of Maine Caption At dusk, thousands of seabirds called sooty shearwaters (Ardenna grisea) return to their deep nesting burrows dug into the peat of the tussac grassland at the Kidney Island National Nature Reserve, Falkland Islands. Credit Photo by Dulcinea Groff 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.