From National Geographic,
For the first time, great apes have been observed making and using tools to hunt mammals, according to a new study. The discovery offers insight into the evolution of hunting behavior in early humans.
A chimpanzee modified a branch by breaking off one or two ends and, frequently, using its teeth to sharpen the stick. The ape then jabbed the spear into hollows in tree trunks where bush babies sleep.
When hunting in the hollows, “almost without fail, every time they would withdraw the tool, they would sniff it or lick it, and then proceed to stab it in there again,” said Jill Pruetz, an anthropologist with Iowa State University who led the research in Senegal
Watch the video here.
One day, the chimps may just take over the world…
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haha! no they won’t. coz we made our spears earlier than they did. =]