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7th Annual Smithsonian Magazine Photo Contest Natural World
Atlantic Slipper Shells will stack on each other if there are not enough rocks or other hard surfaces

Atlantic Slipper Shells will stack on each other if there are not enough rocks or other hard surfaces

Photo Detail
Date Taken: 09.2009
Date Uploaded: 09.2009
Photo Location: West Dennis, Massachusetts, United States of America
Camera: Canon PowerShot SD800 IS
Copyright: © David Mark