Swallow-Tailed Gull (image) Max-Planck-Gesellschaft Share Print E-Mail Caption The swallow-tailed gull is endemic to the Galapagos Islands. During the daytime, these seabirds stay in their nests. At night, they fly off to hunt on the open sea. Credit MPI for Ornithology Usage Restrictions None 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.