Add Yahoo as a preferred source to see more of our stories on Google. Sea otters are highly intelligent marine creatures. Their intelligence is shown by their inquisitiveness and their use of tools.

Did you know that sea otters have favorite rocks they keep around to help them open up clam shells and other shelled mollusks? They have loose pockets of fur under each of their arms where they store ...

A wild sea otter in the waters of Seward, Alaska near Kenai Fjords National Park in the Kenai Peninsula.© BlueBarronPhoto/Shutterstock.com Sea otters are ...