Orangutans spontaneously bend straight wires into hooks to fish for food — ScienceDaily

Cognitive biologists and comparative psychologists have just studied hook tool making in a non-human primate species — the orangutan. To the researchers’ surprise the apes spontaneously manufactured hook tools out of straight wire within the very first trial and in a second task unbent curved wire to make a straight tool.

Source: Orangutans spontaneously bend straight wires into hooks to fish for food — ScienceDaily

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