Before a sea otter dives for a clam, it often tucks a flat stone under its forearm, a pocket it keeps specifically for this purpose. On the surface, it places the stone on its chest, holds the ...

Sea otters are fascinating marine mammals known for their playful behavior, intelligence, and unique survival skills in cold ocean environments. However, surviving in the ocean is only part of their ...

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 ...

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.

CNN — When sea otters hammer mussel shells against rocks to help open them, they're leaving behind their own archaeological record that can't be compared to any other creature, according to a new ...

Scientists are learning that more animals use tools in the wild than previously thought. It seems humans aren’t the only species that try to use mother nature to their own advantage, even if we do ...

If you've ever walked the beach and pocketed a neat-looking rock, know that you share something in common with otters. The only difference is that an otter might carry its favorite rock forever, ...