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Crows Are Capable Of Human-Style Reasoning

Today, this news, tomorrow, a bird parliament. Crows living in a controlled environment have shown that they possess a sophisticated form of reasoning believed to be a hallmark of humanity alone, Wired writes:

A type of sophisticated thinking known as “causal reasoning” [is] inferring that mechanisms you can’t see may be responsible for something. But humans aren’t alone in this ability: New Caledonian crows can also reason about hidden mechanisms, or “causal agents,” a team of scientists report in the Proceedings of the National Academy of Sciences. It’s the first time that this cognitive ability has been experimentally demonstrated in a species other than humans.

The tests show that the crows are “capable of causal reasoning,” Taylor says. “We expected the crows to initially be scared of the moving stick. Instead, they only became scared when they could not attribute the movement to a hidden human—which suggests the crows were reasoning that the stick’s movement was caused by that human.” The crows, he says, apparently don’t expect an inanimate object to move on its own.

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