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Chimpanzees are capable of making spears to hunt other primates and have been seen using the weapons to apparently kill bushbabies for meat, scientists announced Thursday.
The researchers based their findings on observations of omnivorous chimps that dwell in savannahs similar to those from which humanity's ancestors are thought to have emerged.
In most cases, the Fongoli chimpanzees carried out four or more steps to manufacture spears for hunting.
In all but one of the cases, chimps broke off a living branch to make their tool. They would then trim the side branches and leaves.
In a number of cases, chimps also trimmed the ends of the branch and stripped it of bark. Some chimps also sharpened the tip of the tool with their teeth.
Originally posted by djohnsto77
Interesting, but still not that impressive. I've seen some birds do the exact same thing on television. They fashion a "spear" out of a twig and use it to get grubs out of hollow tree branches.