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This beautiful sand ball was spotted near mahabalipuram beach.
Looks very like the excavation of certain kinds of tunneling insects. I guess the best way to move dirt/sand from underground is to roll it up in a ball and carry it (roll it?) to the surface. Makes sense ... very beautiful spotting, Pradeep Kumar.
Please consider adding this spotting to the Animal Architecture mission at http://www.projectnoah.org/missions/8082...