Our closest relatives, chimpanzees, seem able to think ahead and prepare for two possible futures – the only animal apart from humans known to do so
“To demonstrate competence, they had to cover both exits of a Y-shaped tube with the palms of their hands,” he says. “I’ve worked for 12 years with chimpanzees now, and I’ve never seen them show this behaviour.”A monthly celebration of the biodiversity of our planet’s animals, plants and other organisms.
two tilting platforms, each with a piece of food on it. The first version of the experiment used an opaque cylindrical tube above one of the platforms, through which the team would drop a rock. The second experiment used an opaque inverted Y-shaped tube with an exit above each platform. Not knowing which platform the rock was going to hit meant the chimpanzees behaved differently. Thirteen of the 15 were more likely to cover their bases and steady both platforms to protect both pieces of food.“To my knowledge, they’re the first [non-human] animals who demonstrate competence in a task measuring the representation of alternative possibilities,” says Engelmann.
“The representation of alternative possibilities is fundamental to many cognitive capacities that humans are proud of, like creativity and morality,” says Engelmann. “It’s quite exciting to think that there might be an evolutionary history to this ability as well.”
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