Galapagos Tortoise Migration (IMAGE) Max-Planck-Gesellschaft Caption Galapagos tortoises on Santa Cruz migrate along usually linear paths up and down the slopes of the island. Migration routes were up to ten kilometers long, and sometimes took the tortoises to sea level. Credit Stephen Blake/MPI for Ornithology 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.