Purple Sandpiper and Sanderling (IMAGE) Marine Biological Laboratory Caption This is a purple sandpiper (left) and a sanderling on an Oak Bluffs beach on Martha's Vineyard, Mass. These two shorebirds depend on coastal habitats in Massachusetts during migration and winter. Purple sandpipers prefer rocky shorelines, while sanderlings feed in the surf line along open beaches. Credit Photo by Brad Winn Usage Restrictions Please use with proper credit 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.