That’s where their special pockets and their favorite rocks come in. Researchers have observed sea otters using their chosen rocks in two ways: either as an anvil, placing the rock on their ...

We're starting to realize how smart otters really are. They know how to play basketball. They know how to stack cups, They know how to use rocks to open clams. This type of tool use is ...

They’ve even been documented tossing rocks and chunks of ice into the air. Showoffs. No wonder a group of otters is called ... at the newspaper -- by using the easy options below.

It’s a delightfully aggressive sight: A keeper tosses a clam into the water, then the otter bangs the mollusk against a rock, shattering the shell and unleashing the delicious goo inside.