Chimps Use Spears To Hunt | IFLScience http://www.iflscience.com/plants-and-animals/innovative-female-chimps-may-have-pioneered-tool-use-hunting …
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Chimps Use Spears To Hunt | IFLScience http://www.iflscience.com/plants-and-animals/innovative-female-chimps-may-have-pioneered-tool-use-hunting …