Many animals can use tools. Octopus use small rocks to modify the size of the opening of their cave. Sea otters use rocks to open up crustacean shells. A species of crow in Asia picks out sticks of different sizes and shapes to use as probes to get bugs out of trees. It will even stash the tools in a little tool box to use later. Chimps and other apes will use sticks as termite fishing sticks.
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