Osamu Miura Collecting Snails (IMAGE) Smithsonian Tropical Research Institute Caption Once in a great while, horn snails fly from one ocean to another attached to or in the bellies of shorebirds. Credit Mark Torchin Usage Restrictions Credit: STRI 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.