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 today.
The researchers based their findings on observations of omnivorous chimpanzees that dwell in savannahs similar to those from which humanity's ancestors are thought to have emerged.
"It is not adult males, but young chimpanzees, including adolescent females, who are exhibiting this behavior," Jill Pruetz, a primatologist at Iowa State University, told LiveScience.
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