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15 remarkable animals that use tools

Oct. 28, 2009, 10:09 a.m.
Primates

Photo: Associated Press

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Primates

There are endless instances of tool use among primates. To name just a few examples: chimpanzees fashion twigs for termite fishing, use stone and wooden tools to crack open nuts, and sharpen spears out of sticks to hunt; gorillas use walking poles to measure water depth; orangutans can pick a lock with a paperclip; and capuchins make stone knives by banging flint against the floor until the pieces are sharp.