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Sea otters have a favorite rock that they keep in a fur pocker under their arms. They have a clever reason for it
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 ...
The Star1y
QuickCheck: Do sea otters have pockets for storing rocks?
Otters are known to use rocks to crack open the shells of their favourite prey, usually invertebrates such as crabs, clams and snails. But where does one find a rock in the middle of the ocean?
Business Insider9y
Otters are one of the smartest species on the planet
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 ...