Smashing open mussels against 'anvil stones' on shorelines, otters have left shells as evidence of their habitat reach.
Smashing open mussels against"anvil stones" on shorelines, otters have left shells as evidence of their habitat reach.It is hoped the otter study will establish a new path for the growing field of animal archaeology.Scientists are using archaeological techniques to examine how sea otters use large rocks on the shoreline as"anvils" to break open shells - offering a distinction between human and animal coastal settlement evidence.
When they use shoreline rocks, they leave behind mounds of abandoned shells - creating valuable archaeological evidence of where their habitat has stretched to.
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