Orangutans spontaneously bend straight wires into hooks to fish for food
Thursday, November 8, 2018 - 12:10
in Biology & Nature
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.